| 21 | Computer Color is Broken 2015-03-20 |
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| 22 | What IS Angular Momentum? 2015-01-22 |
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| 23 | Astronomically Correct Twinkle Twinkle 2014-12-22 |
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| 24 | A Simple Proof of Conservation of Energy 2014-12-20 |
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| 25 | How An Airplane Is Made 2014-12-19 |
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| 26 | Why is it Harder to Drive Backwards? 2014-12-15 |
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| 27 | Solution to The Impossible Bet 2014-12-09 |
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| 28 | An Impossible Bet 2014-12-08 |
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| 29 | Why Isn't The Sky Purple? 2014-11-11 |
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| 30 | This is Not a Rainbow 2014-10-28 |
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