Direct download: Why_December_Has_The_Longest_Days.mp4
Category:general -- posted at: 3:04pm EDT

Direct download: The_Physics_of_Car_Crashes.mp4
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Category:general -- posted at: 12:55am EDT

Direct download: Why_Its_Impossible_to_Tune_a_Piano.mp4
Category:general -- posted at: 6:04pm EDT

Learn and try to balance.

Direct download: How_Long_Can_You_Balance_a_Pencil.mp4
Category:general -- posted at: 10:00am EDT

Direct download: A_Brief_History_of_Everything_feat._Neil_deGrasse_Tyson.mp4
Category:general -- posted at: 3:48pm EDT

Direct download: The_Counterintuitive_Physics_of_Turning_a_Bike.mp4
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Direct download: How_To_Detect_A_Secret_Nuclear_Test.mp4
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Direct download: Upside_Down_Mountains_in_Real_Life.mp4
Category:general -- posted at: 7:11pm EDT

Direct download: Why_Raindrops_Are_Mathematically_Impossible.mp4
Category:general -- posted at: 3:44pm EDT

Watch and learn how we detect exoplanets.

Direct download: How_to_Find_an_Exoplanet.mp4
Category:general -- posted at: 10:00am EDT

Direct download: How_to_Subtract_By_Adding.mp4
Category:general -- posted at: 5:37pm EDT

Direct download: How_Big_Is_The_Sun.mp4
Category:general -- posted at: 2:16pm EDT

Direct download: How_Do_Airplanes_Fly.mp4
Category:general -- posted at: 7:53pm EDT

Direct download: Computer_Color_is_Broken.mp4
Category:general -- posted at: 9:00pm EDT

Direct download: What_IS_Angular_Momentum.mp4
Category:general -- posted at: 8:00pm EDT

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