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Sit back and relax. Enjoy 8 minutes of oddly satisfying scientific curiosities featuring various mind-blowing stuff!

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This video contains:

1) Missing Edge Piece Puzzle: fun math involved in the design of this puzzle, which illustrates how the concept of area can challenge our intuitions. A precision crafted puzzle by Jeux Efcé game shop.

2) Tautochrone Curve: a cycloid curve, when specifically oriented as shown, becomes a tautochrone path which has the special property that the time it takes for an object to slide to the bottom under gravity is the same no matter how high it starts up the curve.

3) Diamagnetic Levitation: thin pyrolytic graphite sheets float above powerful neodymium magnets. Diamagnetic substances develop temporary repulsive magnetic fields only when they are in the presence of a magnetic field from some other source. Graphite of this sort is the most diamagnetic substance known.

4) Diamagnetic Miniature Hoverboard

5) Drinking Bird Heart Engine

6) Van de Graaff Generator

7) Switch Pitch Ball

8) The Swinging Sticks

9) The Klein Bottle: 3D representation of a four dimensional mathematical object with one side, no edges, and zero volume. Kind of like a Möbius strip with no edges.* Math meets glass art! Many thanks to Cliff Stoll for this kind gift and a great visit including a wonderful tour of his collection of mathematical oddities. *only achievable in 4D.

10) 3D Moire Illusion: bookmark from the Exploratorium a few years ago.

11) Shadow Stereographic Projection: 3D printed sculpture that cast geometric shadow. When illuminated by a point source of light (placed at the top pole of the sphere) the shadow cast by the rays of light represent a one to one mapping of the points on the sphere to points on the plane- creating the US Flag 🇺🇸.

12) Am-241 in Wilson Cloud Chamber: nuclear physics fun!

13) Diamagnetic Levitation: a small neodymium magnet is suspended above a plate of diamagnetic pyrolytic graphite.

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