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Some notes:
We each repeated the experiment 3 times, and got the same results every time. For those of you who might be skeptical, great! A right circular prismatic kiddie pool is only $10 and you can do the experiment for yourself at your latitude. There's really no reason you shouldn't do it for yourself.

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Gordon McGladdery did all of the sound design for the video. We used two songs from other…

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Some notes about this.  
We each repeated the experiment 3 times, and got the same results every time.  For those of you who might be skeptical, great!  The good news is that right circularly prismatic kiddie pools are only $10 and you can do the experiment for yourself at your latitude.  There's really no reason you shouldn't do this on your own, so before you criticize how we've done it, I'd strongly encourage you to do it for yourself.

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(If I did this right these should be working Amazon affiliate links to purchase the stuff I like to use. When people purchase from these links it will support Smarter Every Day.)

❓Mystery Item (just for fun):https://amzn.to/2y3CI7D…