Comments posted by Cyrille

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+2 1. Cyrille commented 1 year ago on video CNC Machine Wrecked by Rod

#3 This is a long rod. Gravity is slightly bending it, making it slightly out of balance (with respect to its axis of rotation).
This slight weight variation is amplified because the rod is rotating fast, which bends it more, which makes it more out of balance, which bends it even more...
You usually prevent this by providing support to the rod using rolling elements (to keep it perfectly aligned with its axis).
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+1 2. Cyrille commented 2 years ago on video Paper Towel Raft (Floating Smartphone Trick)

#2 It think it's actually the worse part. I thought the paper towel has hydrophobic because of a cool physics trick.
Nope, it's hydrophobic because it has been covered with an hydrophobic spray, what a surprise...
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0 3. Cyrille commented 2 years ago on video Paper planes by John Collins

A video showing some of its tips a tricks would have been better.
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+2 4. Cyrille commented 2 years ago on video Most Satisfying Videos Ever In The World 2017 | JOKER

So, one of the most satisfying thing in the world in 2017 is somebody cutting a cake with a knife...
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+3 5. Cyrille commented 3 years ago on video Russian cyclist evades death

#6 I don't know the traffic code in Russian but where I live, the arrows in the middle of the road are not suggestions, and the white stripped triangle in the middle of the intersection is not supposed to be crossed.
From what I see, the bicyclist was supposed to turn right, and I wouldn't be surprised if some insurance companies could use that fact against him.
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+3 6. Cyrille commented 3 years ago on video Russian cyclist evades death

The car driver was clearly not paying enough attention, but the bicyclist was clearly on the wrong lane.
Maybe the driver thought he would already have turned right by the time.
Not saying he deserved it, but he really needs to be more careful.
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+1 7. Cyrille commented 3 years ago on video Super Cooled Nickel Ball in Mercury

Oh no, not again.
Red hot nickel balls make things melt/burn.
Super cooled nickel ball makes things solidify.
We don't need countless videos about that...
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+1 8. Cyrille commented 3 years ago on video Inauguration Day - A Bad Lip Reading of Donald Trump's Inauguration

Meh, not as funny as some other bad lip reading videos.
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0 9. Cyrille commented 3 years ago on video Jet Engine, How it works ?

I'm not an expert, but I think the blades of the compressor are not properly oriented, as they appear to "push" the air from the turbine to the front of the engine (look at 2:10).
Nice video though, but this fact ruined it.
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+2 10. Cyrille commented 3 years ago on video 2016 WEBBY AWARD WINNER: Tiny Hamster is a Giant Monster!!

#2 I actually enjoyed it much more than the last Godzilla movie !
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+4 11. Cyrille commented 3 years ago on video Bike stunts

3:38 reminds me of GTA Vice City.
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+13 12. Cyrille commented 3 years ago on video See how Olympic medals are made for Rio Games

For the ones who are expecting to see the technical/physical details about the whole process, don't bother watching this video...
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+9 13. Cyrille commented 3 years ago on video Black cougar about to....

Actually, this mighty cat is either a jaguar (most probably) or a panther/leopard. Cougar/puma are not black.
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+10 14. Cyrille commented 4 years ago on video French police officers during the flood

#1 Since they were working on evacuating people from their home that were being (partially) destroyed by the flood, I guess they were not in the mood.
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+8 15. Cyrille commented 4 years ago on video Severe Weather in Southern Germany

29/05/2016 (it is displayed in the video at 0:02).

The situation is also not good in Paris, France. The Seine river is at its highest level since decades. Some highway are underwater, some train transit systems are shutdown. Several cities around Paris have been evacuated, and hundred of thousands art pieces are currently moved out of museum's underground storage rooms.
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+4 16. Cyrille commented 4 years ago on video BATBAND

#2 Have you listened to what they say in the video (hint: it's in the first 15s)? The point of this product is to not cut you from your "social life".
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+6 17. Cyrille commented 4 years ago on video 600 foot Insane Rope Swing over SHIPWRECK!!!

#1 Navagio Beach, Greece
https://www.google.com/maps?ll=37.859444,20.624444&q=37.859444,20.624444&hl=en&t=h&z=15
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+5 18. Cyrille commented 4 years ago on video The Problem With Facebook

Well, the business models of Youtube or even Facebook is not that bad compared to academic publishing companies.
For those who are unfamiliar with this world, researchers have to pay publishing companies to get their work published, and also pay those companies to get access to the work of other. And of course, you are not getting paid for that, since you had to abandon your copyrights on the said work.
That's one of the main reasons why I left research.
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+8 19. Cyrille commented 4 years ago on video 25 Natural Phenomena That Science Has Yet To Explain ( Snotr Category Week )

Sailing stones have been explained, they are caused to giant plates of ice that forms on the ground, which reduces the friction between the rock and the ground, allowing them to be pushed by the wind.
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+25 20. Cyrille commented 4 years ago on video Well That's A First

Mom must be so proud!
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+1 21. Cyrille commented 4 years ago on video Electrified Elephant

#2 Electric fences use neither 220V nor 24V, but 10000V pulse generator. 24V wouldn't have stopped an angry elephant, and 220V could have been lethal. I'm sure thay did that because of the urgency of the situation, but I'm still a bit afraid about how these peoples handle animals.
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+1 22. Cyrille commented 4 years ago on video Do You Speak English?

British humor...
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+3 23. Cyrille commented 4 years ago on video Would you ???

What the hell is that crappy definition?!
256x142px! Really?
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+2 24. Cyrille commented 4 years ago on video Globe Of Death

They learned everything from Homer Simpson.
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+1 25. Cyrille commented 4 years ago on video OLEDCOMM shows Li-Fi, 10mbitps Internet by Light

I really hope I'm wrong, but I'm a bit suspicious about the fact that they managed to replace the camera of a smartphone that looks quite like a finished product by a LiFi modem.
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0 26. Cyrille commented 4 years ago on video This Tree Cutting Machine Is Monstrous

I don't think it ever became available, but this one is pretty badass too: https://www.youtube.com/watch?v=YzaXMzYFtSM
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-2 27. Cyrille commented 4 years ago on video Stop a Douchebag - Bad Teacher

#3 Most wiper fluid nozzles are designed to work even at high speed, which means they'll not spray directly at your windshield, or the wind will prevent the fluid from reaching the top part of the windshield. If you activate them while not moving, you'll spray your roof or the car behind you.

I don't know in which part of Europe you live, but here in France you don't run someone over if he is in your way. Even if this person deliberately jumped on you car.
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+4 28. Cyrille commented 4 years ago on video Stop a Douchebag - Bad Teacher

7:11 "F*cking justice seekers"

F*cking idiot.
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+9 29. Cyrille commented 4 years ago on video Natural phenomenon creates a sand river in Saudi Arabia

Actually, that's not sand, that's hails floating on a river (or the path of a flash flood).
You can see the guy picking them at 1:00.
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+9 30. Cyrille commented 4 years ago on video 106 Foot Double Back flip!

#2 They certainly not worked their math out using physics.
If we ignore air resistance, a 106ft drop leads to a 55mph (90km/h) final speed.
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+18 31. Cyrille commented 4 years ago on video Tom and Jerry - Russian edition

#1 The little mouse? That's a f*cking rat!
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+1 32. Cyrille commented 4 years ago on video The Sound Of Daft Punk Recreated By One Man In His Bedroom

Is he breathing helium through that pipe? That would be awesome!
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+2 33. Cyrille commented 4 years ago on video Helping hands

8:23 If you cannot figure out how to get a 250hp (probably more) car through a barrier as thick as a toothpick in a life threatening situation, I think you'll need to meet a log of helping hands during your life...
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-2 34. Cyrille commented 4 years ago on video 25 Things That Visitors Will Find Most Surprising About The United States

#12 I think #11 is referring to most european countries, where it is illegal.
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+1 35. Cyrille commented 4 years ago on video 25 Things That Visitors Will Find Most Surprising About The United States

#20 What was more surprising to me when I went to the US is that people drive on ALL lanes and are allowed to overtake (well, technically undertake) from an internal lane.

In most european countries, internal lanes can be used only if you are going faster than cars on the external ones or if there is no place for your car on the external lanes. Undertaking is also forbidden.
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+9 36. Cyrille commented 4 years ago on video Diving lesson given by a bull

#2 In the same spirit, a few days ago, there was a video about a "Crow riding windshield wipers". Before watching it, I was really wondering a cow could do that...
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+5 37. Cyrille commented 4 years ago on video How to Win Over 100K on a Game Show...

#7 That unlike what you express in your first message, the fact that he won at this game has nothing to do with luck.
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+15 38. Cyrille commented 4 years ago on video How to Win Over 100K on a Game Show...

#1 He figured out a pseudo-random algorithm. That's called being clever, and it has nothing to do with luck.
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+18 39. Cyrille commented 4 years ago on video Cyclist Crashes Into A Porsche At Full Speed!

At least he didn't jumped off the cliff. I don't know how he was expecting to take the turn at such speed.

For those who are wondering, he has a brocken pelvis, brocken ribs and a lung perforation. But no brocken spine, which is good news.
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+2 40. Cyrille commented 4 years ago on video Cyclist frees the bicycle path from bad parking

#5 #6 Well, apparently, I'm not the only one.
Appart from that, this looks like a early model of Fiat Panda. It weights ~700kg, most of the weight is in the front (61% according to http://www.otodata.com/cars/Fiat/Panda-30/61706.html, even if it's not the same model), and since it is not a straight lift, 150kg does not seems that wrong.
Beside, the point was not to be precise, but to illustrate the fact that this guy has some muscles.
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+13 41. Cyrille commented 4 years ago on video The Gunfighter

Wait, someone really captured his desktop playing a youtube video.
I know we have the technology, but still...
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-4 42. Cyrille commented 4 years ago on video Cyclist frees the bicycle path from bad parking

#2 Yeah, you sure want to tell that you are upset to a guy you pissed off and who just lifted something like 150kg.
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+2 43. Cyrille commented 4 years ago on video Samsung "The Safety Truck"

Well, you have to trust the system.
The other day, I ended up lost at 2am in the middle of nowhere because for 10 min I trusted my GPS: it had crashed and the image was frozen.
Still, a nice idea.
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0 44. Cyrille commented 5 years ago on video 170 PSI Tire Explosion

#6 I was thinking that a tire could handle more. I once put 12 bar in a coke bottle (compressed air rocket). The bang was louder than this video's one, but it flew a lot higher.
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+2 45. Cyrille commented 5 years ago on video Lily cam

#4 Shazam -> Joey Miceli - Without You
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+6 46. Cyrille commented 5 years ago on video Like a boss

Seems that they found Yogi the bear.
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+13 47. Cyrille commented 5 years ago on video Tool time

#7 The last 10s seem identical to the first 10s, just played in reverse.

It's only missing wheels, so you can ride it to work.
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+7 48. Cyrille commented 5 years ago on video Eshima Ohashi bridge

"the third largest bridge of its kind"
And what kind is it?
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0 49. Cyrille commented 5 years ago on video The harsh russian roads

Earthquake or crappy construction job?
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+6 50. Cyrille commented 5 years ago on video New Guinness World Record- The Fastest Tractor

130km/h in a 7t tractor with no roll cage. It could have gone so wrong...
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+3 51. Cyrille commented 5 years ago on video Daytime Fireworks

Don't you have nights in your country?
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0 52. Cyrille commented 5 years ago on video This Guy Could Have Deleted Everything on YouTube, but He Resisted

#14 Indeed, in his left browser he is logged with a different email address that *might* give him rights to do everything, like deleting the video. But his left browser still says that he can't access the video because it is private. It's quite strange to allow someone to delete a video but not to read it.
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+1 53. Cyrille commented 5 years ago on video This Guy Could Have Deleted Everything on YouTube, but He Resisted

#2 Ever heard of "large scale DOS attack" ?
From what we can see, this can be easily scripted. With a few thousand computers and some spare time, a lot of videos could have been deleted very quickly. For example, 1000 computers, 1 request per second per computer, that's 3.6 millions video deleted in one hour. And these are small numbers, you can easily get your hand on more than 1000 computers and do more than 1 request per second. Of course, there are security routines to prevent this, but with a bit of luck...
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-2 54. Cyrille commented 5 years ago on video Rescued baby bird returned to parents

So cute. Then, they eat all the fruits from your garden and poop all over your car.
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+1 55. Cyrille commented 5 years ago on video How puzzles are made

#3 This is what we call "art".

Dear Snotr admins, would it be possible to add a "Handcraft" or "Art" (or both) category?
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+3 56. Cyrille commented 5 years ago on video Don't worry, I'll be there ...

I know several sport teachers that were accused of "inappropriate contact" for less than that. Damn' parents!
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+6 57. Cyrille commented 5 years ago on video 3D printed transmission

#2 It is plastic (PLA or ABS), it won't last very long.
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+10 58. Cyrille commented 5 years ago on video Funny guy makes Royal Guard Laugh at Buckingham Palace

#(removed comment) Really? What is wrong with you?
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+12 59. Cyrille commented 5 years ago on video Land Rover diesel vs Dodge 3500 diesel tug-o-war

#4 D. The Dodge does not seems to have a limited slip/locking differential, which makes it a crappy all terrain vehicle.
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-4 60. Cyrille commented 5 years ago on video This Is Why You Can't Outrun a Cheetah

#6 #7 Maybe you can jump in you fast car and go buy new brains.
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+4 61. Cyrille commented 5 years ago on video 16 Photos Taken 1 Second Before Disaster

I actually find it better than most websites where you have to click and wait for ever to see the next item.
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+7 62. Cyrille commented 5 years ago on video Drum of water into Erta Ale lava lake

#3 That's because the drum of water first sinks, then the water turns into vapor, which produces big bubbles. The bubbles need to push some lava to escape, which is why hot lava flows at the surface.

For the exact same reason, if you have some oil in fire in your kitchen, do NOT try to extinguish it with water. Use the proper fire extinguisher, or if it is just a pan/fryer in fire, lay a towel over to smoke it.
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-1 63. Cyrille commented 5 years ago on video Inject-able mini sponges

Well, I don't really understand where those sponges are supposed to be "injected".
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-1 64. Cyrille commented 5 years ago on video Roadblock Fail

#28 You are right, I don't know much about what is happening in those countries. What I know is that from the point of view of the justice, as long as there is no proof that you are guilty, your are innocent. And since neither you nor me have have the slightest information about what is really happenning, nobody can say that this man deserved it.
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+6 65. Cyrille commented 5 years ago on video Roadblock Fail

#23 He actually died from its injuries (based on the link provided by #3). So no #17, it didn't really "knocked some sense into him".

Well, I wont call it "fair" what the driver did, but this is the kind of thing that is bound to happen in a revolution.

#22 (and all the others) Stop shouting "he deserved it". You have no idea what those people are fighting for. It didn't occured to you that the people in the car could be the bad guys? Doing a revolution is not about throwing molotov cocktails at random and innocent peoples, it's about fighting for your rights. And the history is full of people who died fighting some kind of authority for good causes.
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-4 66. Cyrille commented 5 years ago on video Roadblock Fail

I agree with #14, I don't see the point of this video beside pleasing (undeclared) racists who have no idea what those people are fighting for (again, not an excuse for setting roadblocks and throwing molotov cocktails on passing cars).

This is not the kind of content (and comments) I expect to see on Snotr. And it certainly doesn't comply with Snotr rules.
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+2 67. Cyrille commented 5 years ago on video Amazing rocket propelled helicopter

Well, nothing new: http://en.wikipedia.org/wiki/Tip_jet
But it's not a very efficient design.
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+8 68. Cyrille commented 5 years ago on video How about a spider snack...

After seeing that, eating snails and frogs in France doesn't seems that wrong.
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+2 69. Cyrille commented 5 years ago on video Meanwhile in Romania

#6 Dammit, how did I missed it! Sorry for this useless comment, I'll now change my name to "captain obvious".
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+2 70. Cyrille commented 5 years ago on video Meanwhile in Romania

Th most awesome thing in this video is that the man pulled out of the pipe is dressed like Mario.
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+3 71. Cyrille commented 5 years ago on video Brazilian Men Find Giant Snake In River

This is the Loch Ness monster!
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+12 72. Cyrille commented 5 years ago on video Cat saved from car suspension

The question is: how the hell did the cat get in?
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+18 73. Cyrille commented 5 years ago on video One of my dad's toys.

Now, show us your mom's toys!
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+21 74. Cyrille commented 5 years ago on video Blue Heron eats a gopher

I wouldn't swallow something that digs tunnels into the ground. It could ends like the Alien movie.
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+3 76. Cyrille commented 5 years ago on video Drone Racing

Drones on steroid!
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+5 77. Cyrille commented 5 years ago on video How Dogs React to Levitating Wiener

Next time, we will see how a wiener react to a levitating dog!
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-1 78. Cyrille commented 5 years ago on video How Do You Dismantle a Dino?

Just take a 3D printer and print a new one!
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0 79. Cyrille commented 5 years ago on video Detroit 4-71 in gmc 650 running away start after 30 years

I's not the city, it's the model of the engine.
You could have at least search for "Detroit 4-71" in Google and clicked the first link: http://en.wikipedia.org/wiki/Detroit_Diesel_Series_71
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0 80. Cyrille commented 5 years ago on video Black lady talks to KKK members and neo-nazis face-to-face

#1 They were out of Dumbledore disguise, it's the closest thing he could find.
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+5 81. Cyrille commented 5 years ago on video Guy tailgating bicyclist gets nailed

#2 In most contries, bikers are authorized to be (nearly) on the middle of the road. It gives you some space to move away from dumb drivers overtaking you too close.
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+8 82. Cyrille commented 5 years ago on video Massive boulders carried over a dam in a flash flood

Bad chili at the canteen?
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+1 83. Cyrille commented 5 years ago on video Finland - Russia Ice-hockey final was a total referee-fiasco

Wait for the 2018 FIFA World Cup...
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+8 84. Cyrille commented 5 years ago on video Smart Birds Open Doors

#4 Being able to learn something is precisely a sign of intelligence.
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+2 85. Cyrille commented 5 years ago on video Lemon ninja

If he could prepare mojito this fast, that will be awesome!
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+2 86. Cyrille commented 5 years ago on video Ukrainian kid with balls of steel

#2 It's Ukraine, not USA!
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+16 87. Cyrille commented 5 years ago on video The most inspirational farmer you'll ever meet.

Oh yes, I can see the irony in its handwriting, since mine is a lot worse.
Respect. Just... respect!
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-3 88. Cyrille commented 6 years ago on video Black Racer snake having a seizure

#8 I think it's just called "being cooked".
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+27 89. Cyrille commented 6 years ago on video This is my best footage yet

For those who are wondering, a TBS Discovery Pro is a quadcopter.
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+8 90. Cyrille commented 6 years ago on video How a gyro stabilised camera looks on a helicopter

#4 No, it isn't. A RC helicopter wouldn't roll so smoothly, and the camera used is a Red Epic, which weight 2kg (without the lens).
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+4 91. Cyrille commented 6 years ago on video World's Fastest: 270.49 mph Hennessey Venom GT

What about that Fort GT who reached 278mph ?
http://www.youtube.com/watch?v=SZX6Y8O3tI0

Ok, this may not be a "production car", but neither are the cars prepared by Hennessey...
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+11 92. Cyrille commented 6 years ago on video Falcon chasing crows

Title fail.
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+13 93. Cyrille commented 6 years ago on video Three Man Making A Realistic Horse

#2 If the second horse is a male, you don't want to be the guy at the back of the fake one...
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+3 95. Cyrille commented 6 years ago on video Eskil

#7 Have you ever tried to reach 60+km/h on a mountain bike.
On a dry steep road, you have to be pedaling as hell to reach such speed.
I have to agree with #9, there is is no way he could reach 80km/h riding backward.
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+9 96. Cyrille commented 6 years ago on video Its REALLY an Alien !

#1 It's a squid, not a fish...
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+8 97. Cyrille commented 6 years ago on video How Computers Add Numbers In One Lesson

Except that it is not the microprocessor...
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+3 98. Cyrille commented 6 years ago on video Guilty as Charged

The best one is still that one:
http://www.snotr.com/video/11618/Guilty_Dog
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+13 99. Cyrille commented 6 years ago on video 4-Way Stop Vs. Roundabout

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+34 100. Cyrille commented 6 years ago on video A Fish's Lucky Day

And a shitty day for the pelican.
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+21 101. Cyrille commented 6 years ago on video Cake Skills

With the proper tools, wood-turning is a piece of cake.
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+4 102. Cyrille commented 6 years ago on video Skull Piercing "Brain Slicer" Arrowheads

You are a dangerous man.
It was fun to see you play with slingshots, but now...
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+24 103. Cyrille commented 6 years ago on video Sink hole swallows a dozen mature trees

The video is awesome, but some explanations would have been great.

For those who wonder, this sinkhole is located in Louisiana, and it appeared after a mine collapsed.

http://www.motherjones.com/environment/2013/08/bayou-corne-sinkhole-disaster-louisiana-texas-brine
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+14 104. Cyrille commented 6 years ago on video Kitten meets Hedgehog

#(removed comment) Remember, guys on internet spread false rumors. A healthy cat does not spread diseases...

One true fact: be careful, all hedgehogs have fleas.
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0 105. Cyrille commented 6 years ago on video Renewable energy from an artificially created leaf

#1 Will you stop with your conspirationist theories about oil companies...
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+4 106. Cyrille commented 6 years ago on video Rifle Throw

PAN !
One down.
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+1 107. Cyrille commented 6 years ago on video Recent mayhem at Uttarkand, India

So much mud, and nobody is bathing in it?
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+2 108. Cyrille commented 6 years ago on video Google X, Heard Of It?

Google X: isn't it already named Youporn?
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+2 109. Cyrille commented 6 years ago on video Australian National Anthem Fail

1:17 I'm hearing "We will start with the belgium anthem first". Have I missed something in my geography class?
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+2 110. Cyrille commented 6 years ago on video Self siphoning beads

#10 Come on, at least it makes sense that the gravity is pulling it down (without explaining the loop), but what magic force could make it raising up?
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+1 111. Cyrille commented 6 years ago on video Self siphoning beads

Does someone has a real explanation, because I'm not really convinced by your "I think blablabla gravity blablabla momentum...".

Edit: Ok, nobody seems to really know : http://www.reddit.com/r/askscience/comments/1gza0c/selfsiphoning_beads_why_do_they_behave_so/capiutx?context=3
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+4 112. Cyrille commented 6 years ago on video How to make your boomerang come back

Most of the time, when I want my boomerang to come back, I have to walk.
Or climb in a tree...
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+3 113. Cyrille commented 6 years ago on video A hunter in a tree-stand gets an unexpected visit.

Nice hideout.
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+7 114. Cyrille commented 6 years ago on video Flight of the bumblebee

#1 Like a piano.
Nice performance, I like this song, but that's actually just like playing on a 2D piano.
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+4 115. Cyrille commented 7 years ago on video Guy Installs Shower to Stop People Peeing In His Alley

I guess he was pissed-off...
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+10 116. Cyrille commented 7 years ago on video Car Goes Flying 20ft In The Air

What's clear is that nobody seems to be in a hurry to give some help...
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+6 117. Cyrille commented 7 years ago on video The Modern Motorcycle Diaries

And how is your butt skin ?
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+2 118. Cyrille commented 7 years ago on video Microsoft IllumiRoom

Wait, what? They play SuperTuxKart to present a new Microsoft device? That's ironic!
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+7 119. Cyrille commented 7 years ago on video Sea creatures

6:36 A cheerleadeer crab

And what the hell is that thing at 8:50 !
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+9 120. Cyrille commented 7 years ago on video Heavy Lifting Helicopters

#3 They are always synchronized, they are connected to the same gears.
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+27 121. Cyrille commented 7 years ago on video Making of Iron Man helmet

This is a nice piece of work, but 2000+ hours of work just for the helmet?
2000h corresponds to a person working one year, 5 days a week, 8 hours a day! (ok, probably not in china, but still, seems to be a lot of time)
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+8 122. Cyrille commented 7 years ago on video Monstrous whirlpool eats everything

#4 That must be one huge pipe, look at the size of the ice blocks that are swallowed!
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+5 123. Cyrille commented 7 years ago on video Big Cats + Mirrors = Funny!

Tiger: "Oh crap, there is a tiger, run!"
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+6 124. Cyrille commented 7 years ago on video Need a hand to unload ?

#8 I'm not sure to understand your point, this video clearly does not illustrate the facts that :
- "they stand out from the *lazy* rest of the world"
- "*other* contries [...] dream of getting rich with no effort"
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+6 125. Cyrille commented 7 years ago on video Need a hand to unload ?

They will be quite pissed-off the day the truck will break in the middle...
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+65 126. Cyrille commented 7 years ago on video Deadly chopstick skills

Three days later, his dog died of thirst...
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-9 127. Cyrille commented 7 years ago on video Incredible overtake at bathurst Lotus trophy

Since the other cars are braking (theirs braking-lights are ON), I'm not sure to see what's "incredible"...
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+6 128. Cyrille commented 7 years ago on video Amazing Water & Sound Experiment #2

#8 http://www.snotr.com/video/9176

The sin-wave played by the speaker will change the way the water flows out of the pipe. Since the camera capture the film at 24fps, if you play a 24Hz sound-wave, you get a static effect because the water flowing out of the pipe is synchronized with the framerate. Play a 23Hz sound-wave, and at each frame captured, the water will be a bit late, therefore it seems to flow backward.

Filming the weels of a moving car produces quite the same effect.
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+5 129. Cyrille commented 7 years ago on video Ice Climbing Fall

#9 Gravity ?
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+9 130. Cyrille commented 7 years ago on video opening a bottle of bubbly

#4 Yes, that's the actual goal!
#6 No, the bottle wasn't broken or already open.

As mentionned #9, this is a well-known technique in France, it's called "Sabrer le champagne" (opening a champagne bottle with a saber), but with a little of practice, you can do it with anything.
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+11 131. Cyrille commented 7 years ago on video 15,000 Volts Travels Through Wood

Too bad the wood ends burning.

With higher voltage, it's possible to obtain the same effect (in 3D) in a bloc of acrylic: Lichtenberg figure. And that's pretty awesome.

http://www.youtube.com/watch?v=9lHxBQvqlaU
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+2 132. Cyrille commented 7 years ago on video Gorilla having fun playing in the leaves

Awesome: a gorilla doing breakdance!
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+2 133. Cyrille commented 7 years ago on video A Feral Cat Hunting

#10 And you say that because you love to have bird shit on you car ?
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+3 134. Cyrille commented 7 years ago on video A Feral Cat Hunting

Splinter Cell: Stealth Cat
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+2 135. Cyrille commented 7 years ago on video Meanwhile in a Romanian car service

Romanian blowjob !
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+1 136. Cyrille commented 7 years ago on video Fail Compilation January 2013

Winter: many new ways to get hurt.
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0 137. Cyrille commented 7 years ago on video Afraid to fly ? ride a jet !

Like a lot of vehicles transformed to run with a jet engine (this is also the case for lots of monster trucks): lot of noise, lot of smoke, but no speed. At least this one moves...
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+9 138. Cyrille commented 7 years ago on video Trombone Alpine Skiing

Nice example of the doppler effect.
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+2 139. Cyrille commented 7 years ago on video April 24, 1926: World's oldest dash cam footage?

Love the klaxon !
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+5 140. Cyrille commented 7 years ago on video World's Shortest Train

#5 Strange green colors on the right side of the train on your picture.
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+9 141. Cyrille commented 7 years ago on video Plane Debris hits cars

#4 What motorcycle driver? You may have mixed "motorist" and "motorcyclist".
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+1 142. Cyrille commented 7 years ago on video The world's tallest teenage girl 17-year-old Brazil

#8 It's not a "duodecimal system trick", it's how imperial/american units are designed !
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+8 143. Cyrille commented 7 years ago on video Mr road rage found

So, we still don't know why he behaved like this...
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+4 144. Cyrille commented 7 years ago on video Terrified driver chased by road rage ''lunatic"

And do we know why this crazy man behaved like this ?
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+2 145. Cyrille commented 7 years ago on video Nintendo's line of consoles

#11 Last week, I think, with the Wii U.
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+7 146. Cyrille commented 7 years ago on video How you park a bike in Japan.

#5 The guys who cut it to stole your bike...
Plus, a strong one weight approximately 1kg, which is a lot.
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+3 147. Cyrille commented 7 years ago on video Nintendo's line of consoles

Wow, I've just discovered that I'm the happy owner of the very first one, a Game&Watch Donkey Kong Jr.

32 years old, still working...
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+7 148. Cyrille commented 7 years ago on video Chinese Farmer Builds His Own Wind-powered E-car

#6 It's not about "building a better car", it's about building something that follows the laws of physics.

This car is some kind of perpetual motion machine: utopia !
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+9 149. Cyrille commented 7 years ago on video American soldiers parody the Miami Dolphins cheerleaders

I've had hard time looking at the soldiers version...

For the ones who wants the HD version of the bottom right one: http://www.youtube.com/watch?v=FIfbghHdG1s
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+1 150. Cyrille commented 7 years ago on video Red Bull STRATOS Jump

#4 And what is the difference ?
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+8 151. Cyrille commented 7 years ago on video What went wrong ???

#4 It's just a roof protecting you from the rain...
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0 152. Cyrille commented 7 years ago on video Sepaktakraw

If I'm not mistaken, that's Football tennis (http://en.wikipedia.org/wiki/Football_tennis)
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-1 153. Cyrille commented 7 years ago on video Baby elephant playing in the water

Playing ? Or unable to get out ?
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+21 154. Cyrille commented 7 years ago on video The smallest bike in the world

The most ridiculous bike in the world.

Anyway, make me laugh !
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+23 155. Cyrille commented 7 years ago on video Super Dog

American Staffordshire Terrier from Chernobyl.
His brother has wings...
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+25 156. Cyrille commented 7 years ago on video Big load

#3 Probably cotton
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+5 157. Cyrille commented 7 years ago on video Explosion after accident in Russia

#3 No, if you were a smart guy, you would be far away from this place.
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+8 158. Cyrille commented 7 years ago on video 'Street Workout' On The High Bar

#2 I think it's called horizontal bar and parallels bars...
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+7 159. Cyrille commented 7 years ago on video Throwing a Box of Garbage Into a Volcano Lake

Man, what do you put in your garbage ?
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+8 160. Cyrille commented 7 years ago on video Runway Model Fails

1:30 Beware of the pendulum.
Priceless!
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+3 161. Cyrille commented 7 years ago on video Pee Prank - Arrested Edition

#16 Aggreed. Tht was funny... at the beginning.

Now they pissed off the wrong officier, who may have more important things to do, they ended up un jail.

It had to happen one day...
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+7 162. Cyrille commented 8 years ago on video Dirtiest PC... EVER!!!

One of my friend had his dog living in the room were the computer was.
One day we cleaned if (the computer), there was much more dogs hairs in the case than on the dog.
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0 163. Cyrille commented 8 years ago on video Little baby orangutans get scared

Ahhhhh, a monkey !
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0 164. Cyrille commented 8 years ago on video Catching The Big One

Who is on top of the food chain ?
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+4 165. Cyrille commented 8 years ago on video Helicopter crashes, very lucky pilot

#11 Are you sure there is no turbine in helicopters ?
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+6 166. Cyrille commented 8 years ago on video Hill Climb Quad Roll

Moron with a motorized vehicle on an unusual ground: the more you accelerate, the fastest you will get upside-down.

Take a big car on an icy road, the result is the same !

I feel sorry... for the ATV.
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+1 167. Cyrille commented 8 years ago on video Amateur accrobats

#2 The pilar is not made to support an horizontal force.
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+18 168. Cyrille commented 8 years ago on video Never Use a Lighter at a Gas Station

Never Use a Extinguisher at a Gas Station

Just run, before everything explode...
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+22 169. Cyrille commented 8 years ago on video Ferrari vs Taxi

#10 Sheldon Cooper, is that you ?
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+33 170. Cyrille commented 8 years ago on video Kitten Vs The Scariest Things in the Universe!

I can haz LSD ?
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0 171. Cyrille commented 8 years ago on video Riders are awesome 2012

Really crazy moves !

But please, better quality, less pixels !
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+47 172. Cyrille commented 8 years ago on video Fun with a subwoofer and water

Yeah, nice ILLUSION!

The explanation: a camera shooting at 24fps. Play a sine wave of 24Hz to get static water, 23Hz to get it flowing backward, 25Hz to get if flowing slowly forward.

Nb: The water ALWAYS flowing down, you don't cheat with gravity (at least not with a subwoofer). This is just an illusion (the same thing happen with the weels of a car on the TV).

Source: http://thenextweb.com/shareables/2012/04/20/water-subwoofer-one-incredible-optical-illusion-video/
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+5 173. Cyrille commented 8 years ago on video Swimming lessons for a Mastiff

#2 As natural as for humans (at least some dog breeds have webbed paws).
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+8 174. Cyrille commented 8 years ago on video Tap Prodigy

Woah, he got inspired by the movie Happy feet.

I've never thought someone could be inspired by this movie.

Nice teeth btw.
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+2 175. Cyrille commented 8 years ago on video Hit and run caught by bus

#19 Yes and no. In France, in a city, a bike is allowed to ride in the middle of a lane in order to prevent any event happening on the right side (a parked car open it's door for example). Outside of a city, we have the right to occupy one meter on the right side of the road.

Aside from that, a driver has to leave 1m between its car and a bike (1.5m outside of a city).
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0 176. Cyrille commented 8 years ago on video Hit and run caught by bus

#2 No, it's not that hard to keep it's right, but it's safer to ride on the middle of the road.
- We are not to close to the sidewalk.
- Drivers can't overtake us without leaving any space between the car and the bike.
- ...

So yes, we drive in the middle of the road because we are allowed to.
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+28 177. Cyrille commented 8 years ago on video Dance all night long

Oh crap, he is better than me !
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+4 178. Cyrille commented 8 years ago on video How can LEGO aid scientific research

My son, you are 8 now, it's time to get your PHD.
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0 179. Cyrille commented 8 years ago on video No, I said stop stop stop

#10 I may be mistaken, but I really think that the thing he touches with his foot at 2:18 is the tow mount (and some part of the frame).
On lot of cars, the tow mount goes through the bumper (which wouldn't have resisted 1 second to the 4x4 pulling it).
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+4 180. Cyrille commented 8 years ago on video Lord Howe Island Stick Insect hatching

"Damn, my antenna is STUCK !"

"And my legs too!?"
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-2 181. Cyrille commented 8 years ago on video No, I said stop stop stop

#3 Look at 2:18... it was attached to the frame.
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0 182. Cyrille commented 8 years ago on video World Record Paper Airplane Distance

#8 Or you can throw it from the moon...
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+35 183. Cyrille commented 8 years ago on video Insane Trapeze Acrobat Hanging off a Helicopter!

Nice haircut!
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+2 184. Cyrille commented 8 years ago on video Building a new bridge in 5 days ...

That's a lot easier when you have a Mammoet to help you.

Amazing heavy machinery.
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-7 185. Cyrille commented 8 years ago on video Ball Boy at the Court

Ok the boy has reflexes but... So what ?

Lot of peoples are able to move their ass 1 meter to catch this kind of ball, don't you think ?

Especially someone who plays tennis.
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+23 186. Cyrille commented 8 years ago on video Babbage's Difference Engine

#4 Computers are just damn fast calculators.
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+37 187. Cyrille commented 8 years ago on video Friendly turtles do a 'high five'

It looks more like a synchronized "I'll slap you in the face".
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+24 188. Cyrille commented 8 years ago on video One Photographer's Journey Around the World

You lucky bastard...
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+2 189. Cyrille commented 8 years ago on video Ski Crash Compilation

Special award for the first one with the "cheese suit".
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+17 190. Cyrille commented 8 years ago on video Wall Demolition with a small car

Am I the only one who is not seeing anything linking the car to the wall?
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0 191. Cyrille commented 8 years ago on video Best fails of 2011

Ouch, lot of pain in this video
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+2 192. Cyrille commented 8 years ago on video Machine tries to take over the world!!

"Trying to kill the engine with water"

No buddy, do not throw water on a angry thing! Never seen the movie Gremlins?
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+11 193. Cyrille commented 8 years ago on video Capturing footage at the speed of light

#1 Actually, this camera is not able to take a picture of a running bullet (the bullet is way too slow).

And it's not really sooting at 10^12fps, it's the time to capture an image wich is equal to 10^-12s.

But the camera that is used here is linear, which means it has a resolution of XXX by 1 pixel (that's why you can see some kind of lines on the video of the bottle).

In order to take an image, you have to vertically scan the scene and reconstruct the image.

And by synchronizing the camera with a pulsing laser, you can see photons moving through space and bouncing on objects, which is pretty cool !

BTW: Shooting 1ns of real time video takes 1 hour...
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+3 194. Cyrille commented 8 years ago on video Spectacular Time Lapse Dam "Removal" Video

#9 : That's the logo of national geographic...
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+3 195. Cyrille commented 8 years ago on video Japanese Train Goes 300 MPH

#1 Actually, since there is no wheel, there is no brake. This train float on a magnetic field, so when you want to slow it down, you "just" have to reduce the ignition rate of the magnetic panels.

As mentioned in #10, TGV record was done with a special train: larger wheels, bigger motor, reduced number of wagon, and the section of rails was choosed especially to break the record because the slope was helping.

That's a shame that in France we abandonned the Aerotrain project, it surely would have led to a Maglev-like train, many years ago.
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0 196. Cyrille commented 11 years ago on video Homer with an Intel CPU for a brain

#3, a biological neuron works at ~100Hz, brain is powerfull because it is massively parallel.
I hope you don't have 100000 neurons in your brain (a fly does), human brain has between 10^11 and 10^15 neurons, with ~7000 connections for each neuron

That was the cultural minute of the day