GPS, relativity, and nuclear detection

GPS is just a big clock in space! (and it can detect nuclear explosions)
From MinutePhysics

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Picture of DarkiKun41 achievements

+20 1. DarkiKun commented 11 years ago

very interesting, i had no idea it worked with "time", i gotta find out more about how that really works, very interesting indeed :O
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+3 2. master_shake commented 11 years ago

Its not the height of the clock, but the speed of the clock that alters its time due to special relativity (moving closer to speed of light=time slow down)
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+6 3. cretia commented 11 years ago

so all i need to do is put myself in a very strong gravitational field and i can time travel
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+2 4. LightAng3l commented 11 years ago

I'm sorry, you can thumb my comment down to the depths of hell, but there are several things in this video that are not true...
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+9 5. gringo commented 11 years ago

#4 well if you make a statement like that you should at least tell us what your arguments are!
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+2 6. krillemaster commented 11 years ago

i knew this! *proud*
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+1 7. orion commented 11 years ago

#2 the video correctly states you have to account for both corrections. Read up on general relativity.
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+8 8. Chogath commented 11 years ago

we actually need to detect nuclear before detonation.... that would be nice..
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+4 9. c0mmanderKeen commented 11 years ago

I knew how gps works but what does detection of nuclear expolosions have to do with anything ???
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+2 10. Sebastien commented 11 years ago

#4 Well, you're the genius... tell us
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+1 11. loadrunner commented 11 years ago

I dont need GPS to detect a nucleair explosion

I bet they can detect when someone farts, and who it is.

but awesome btw.
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+1 12. Granko commented 11 years ago

How can GSP satellite detect nuclear explosion (or whatever visible event) when it is basically a trasmitter (not receiver)?