This is how strong is electron wind from a van de graf generator

Published 195 days ago in Science. Submitted by drunkmonk

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This is how electrons and high energy particles look like

Published 197 days ago in Science. Submitted by drunkmonk

There are ways to see high energy particles. This is the coolest looking. Here is a picture to interpret what you see. http://www.cloudylabs.fr/wp/phys/

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How Hard Can You Hit a Golf Ball? (at 100,000 FPS) - Smarter Every Day 216

Published 207 days ago in Science. Submitted by fjwjr

We used a pressurized vacuum cannon to get the golf ball up to speeds of over 500 miles per hour.

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Barycentric balls in space - classroom demonstration video

Published 222 days ago in Science. Submitted by sux2bu

Do you really float in space?

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Barycentric balls in space - classroom demonstration video

Published 223 days ago in Science. Submitted by sux2bu

Do you really float in space?

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