How an astrophysicist cuts an onion

  • Currency: EUR

It's funny because you cut an onion for eating it, for explanations about physics or chemistry. And astrophysicist Neil deGrasse Tyson and Chuck Nice break down Cartesian coordinates, spherical geometry, and why onions make you cry.

Geometrically, can you tell without watching the video why are onions better than potatoes? Or you can just learn about coordinates on a square, a sphere, and a cylinder, and you can continue the discussion in a new video with your friends. The guys in the Startalk episode talk about the geometry of potato chips versus french fries. Plus, why does Neil feel moved to cut an onion in the office?

Video timestamps:

  • 00:00 - Introduction the onions
  • 00:34 - Cartesian coordinates on shapes
  • 02:46 - Cutting potatoes
  • 04:56 - Cutting onions
  • 06:58 - Why onions make you cry
  • 07:25 - On a spherical plane
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Dan-Marius Sabău
Dan-Marius Sabău

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