The Planets of Our Solar System to Scale: 3D printed accurate scale model of 8 planets and Earth’s moon. In this model: Earth (diameter = 0.
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This Magnified Time-Lapse Gives us a Close-up view of What it Looks Like when Fingers Produce Sweat. When your body starts to sense that it’
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Switch Pitch Ball: this spherical assembly changes color by turning inside out when tossed into the air. Advertisements for this toy incorre
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Centripetal Kinetic Toy: seven rolling steel balls hug to the inside of the acrylic sphere given sufficient velocity. Here the balls are lau
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Ring Catch Chain Trick: a solid ring will be caught by a loop of chain if it tumbles during its fall. By Newton's Third law, when the ring t
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The Klein Bottle: 3D representation of a four dimensional mathematical object with one side, no edges, and zero volume. Kind of like a Möbiu
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This incredible invention looks very much like plastic but is totally ecological and the bag breaks down in water. Made of cassava plant and
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Levitating Magnetic Fluid. Superconductivity - This is a magnet levitating over a superconductor. Magnetic fields are being expelled from th
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Lenz's Law: a strong neodymium magnet falls slowly down a copper bus bar as though passing through a viscous liquid. Since magnetic fields p
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Diamagnetic Mini Hoverboard: in this commercially available version a thin pyrolytic graphite sheet floats above a concave powerful magnet
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Birefringence in Calcite: the speed of light in a calcite crystal depends on polarization- the refractive index is different depending on th
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