Episode list

Henry Segerman

Round Klein Bottle (Small)
In a follow up to his Mobius strip Henry presents a round Klein bottle. It is very un-bottle-like but on comparison to the Mobius strip it fits the requirements of a Klein bottle. Unlike most three dimensional representations of a Klein bottle it is symmetrical.
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Gripping gears

Thu, Sep 12, 2019
Henry demonstrates gears he designed that have no frame and no axle that simply hang on to each other as they rotate.
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Hyperbolic 29 Puzzle
You may have played the 15 puzzle sliding tiles to get them in the correct order though perhaps with pictures instead of numbers. Henry had taken it hyperbolic, first with the 15 plus 4 puzzle and now with the 29 puzzle. The 29 puzzle involves bending as well as sliding.
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