Explainercast

• Episode 24: Color Perception Part 2 of 2

  In episode 24, Shane and Dave explain how researchers at UC Berkeley created a color that no human has ever experienced, until now. How did they do this? Is this even possible?

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  37:52
• Episode 23: Color Perception Part 1 of 2

  In episode 23, Shane and Dave explain how the human eye and brain perceive color. Fun fact: there is no yellow on your phone screen (or purple or brown or white or gray), and there might not be any yellow in your yellow shirt either!

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  43:42
• Episode 22: The Signal CloudFlare Hack

  In episode 22, Shane and Dave explain how a clever 15-year-old discovered a way to geolocate Signal users, despite Signal’s reputation for strong security. We’ll explain how he did it, and you’ll learn about content distribution networks on the internet.

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  37:17
• Episode 21: Scaling Laws

  In episode 21, Shane and Dave explain how things lose features when they get bigger and why. Why can full-sized helipcopters not fly upside down, but small RC helipcopters can?? And so much more!

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  58:30
• Episode 20: Skiing

  In episode 20, Shane and Dave explain skiing! First principles: Types, materials, physics, techniques.

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  52:10

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