The mathematically impossible ball that shouldn’t exist.
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17:54
What was the most expensive book ever?
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24:01
Why do all shapes lie in the Polyhedron Plane?
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14:30
When Spreadsheets Attack!
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14:35
On These Questions, Smarter People Do Worse
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16:13
Duracell PowerCheck: A genius idea which didn't last that long
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19:10
The 1,200 Year Maths Mistake
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13:56
How One British Word Ruined My American Accent
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32:40