Why Do My Eyes Glow Red in Photos?

Published 7 years ago in Science. Submitted by Burimi

You know how sometimes your eyes glow bright red in photos, making you look like a scary demon and ruining a priceless family memory? Well, there's a pretty cool reason it happens and ways to stop it!

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How Entropy Powers The Earth (Big Picture Ep. 4)

Published 8 years ago in Science. Submitted by thundersnow

This video is about how we don't just need energy to power our lives, we need *low entropy* energy! This is also known as "free energy", and one way of thinking about entropy is as the lack of free energy. The sun provides us with useful, low entropy, energy in the form…
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Pi (π) unrolled

Published 8 years ago in Science. Submitted by Burimi

Illustrates (without any audio) the meaning of π (pi) by rolling a wheel of 1 unit in diameter across an axis of 4 units, marking the axis at π, the point where the wheel completes a full rotation. This video is constructed from a GIF © John Reid https://wmfsl.org/.1j6…
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Stereographic projection

Published 8 years ago in Science. Submitted by thundersnow

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Interview with a 13 year old physicist

Published 8 years ago in Science. Submitted by Judge-Jake

A little pretentious? Maybe? But well worth a listen.

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