What color is a tennis ball?
Unexplainable

What color is a tennis ball?

B2Upper-intermediateOctober 5, 202627 min
  • Science

Is it yellow? Is it green? Or what if, as one scientist argues, “there’s no such thing as a color?” Guest: Bevil Conway, visual artist and neuroscientist at the National Eye Institute To watch this episode on video, find us on Netflix! For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ For more, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unexplainable⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ And please email us! ⁠⁠⁠⁠[email protected]⁠⁠⁠⁠ We read every email. Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/members⁠ Learn more about your ad choices. Visit podcastchoices.com/adchoices

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I was doing some stretching.

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B2 · Upper-intermediate

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0:00

A while back, I was at physical therapy. I was doing some stretching. I was talking to people. We were talking about tennis.

0:08

And at what point someone said something about yellow tennis balls? And I was like, no, they're green. And then someone else was like, no, they're yellow.

0:19

And then someone across the room was like, no, they're obviously green. The next day I come into physical therapy and there's one of those questions above the water fountain,

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