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Traffic Waves7:02

Traffic Waves

1M views • 18 years ago
wbeaty
A short video from the trafficwaves.org site showing how traffic jams and standing waves form, including the fight between cheaters and blockers at an exit-lane backup. It also touches on how individual driving behavior affects the flow.
Richard Feynman talks about light5:55

Richard Feynman talks about light

1.8M views • 19 years ago
sdfhsfh
A PBS clip in which Richard Feynman explains the strange nature of light and electromagnetic radiation. He conveys how little of it we actually see and how radio waves are present everywhere.
The Hubble Ultra Deep Field in 3D4:17

The Hubble Ultra Deep Field in 3D

9.6M views • 17 years ago
Deep Astronomy
A short video built around an animation of the roughly 10,000 galaxies in the Hubble Ultra Deep Field, placed at their measured redshift distances. It gives a brief history of deep field images and ends with a 3D fly-through.
Topic match · Cosmology & astrophysics