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  1. Why does the green light back up and immediately dim out again around :12? I don’t notice any meaningful difference on the screen as a whole.

  2. What’s the point of having the upper third behave differently, since each individual part can have any brightness? e.g. making the whole red box glow dimmer should achieve the same effect as making the bottom two thirds completely dark and the upper third bright, right?

  3. Yessss. Such a simple and powerful demonstration of color mixing. I’m showing this to my physics classes!

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