Browse 640 videos in category Science
Piezoelectricity - why hitting crystals makes electricity
Published 5 years ago in Science. Submitted by sux2bu
Certain crystals, like quartz will produce a voltage when hit. It's all to do with the arrangement of atoms and charge in the lattice. It's used in lots of things like piezo lighters, sensors, speakers and oscillators for timekeeping.
- 681 views
- 7 comments
- Rating:
Aluminum and Mercury
Published 5 years ago in Science. Submitted by sux2bu
When mercury is added to aluminum, it forms an amalgam (a mercury alloy).
Aluminum is normally protected by a thick oxide layer, but the formation of the amalgam disrupts it. It allows fresh aluminum to react with air to form white aluminum oxide. As the oxide grows, it forms a…
Read more…
- 729 views
- 5 comments
- Rating:
Timelapse Of The Future
Published 5 years ago in Science. Submitted by manro
A Journey to the End of Time
- 720 views
- 9 comments
- Rating:
Yooperlite Glow Rocks
Published 5 years ago in Science. Submitted by sux2bu
Yooperlites are Syenites rich in fluorescent Sodalite, found on Lake Superior beaches in Michigan's Upper Peninsula.
It’s technically called a “Syenite Clasts Containing Fluorescent Sodalite” but Erik wanted something easier to pronounce. So he coined the name “Yooperlite” and has now trademarked the Yooperlite name.
Read more…
- 450 views
- 4 comments
- Rating:
How do we know it rains iron on WASP-76b?
Published 4 years ago in Science. Submitted by ringmaster
- 419 views
- 4 comments
- Rating: