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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.

Beautiful demonstration of physics, gone wrong, partially. Best caption gets a shout-out! . . . ⠀

Precession of a Gyroscope: in defiance of gravity this gyroscope is supported only at one end. The physics and vector nature of angular mome

Magnetic Field Viewer: visualizing the invisible- tiny iron filings suspended in viscous oil gracefully chain up along the magnetic field li

Switch Pitch Ball: this spherical assembly changes color by turning inside out when tossed into the air. Advertisements for this toy incorre

Centripetal Kinetic Toy: seven rolling steel balls hug to the inside of the acrylic sphere given sufficient velocity. Here the balls are lau

Physical Pendulum Kinetic Chaos: two lucite spheres are set to rotate freely along three perpendicular axes in this vintage 1974 kinetic scu

Piezo Film Flicker: a neon bulb flashes from electricity created by the mechanical deformation of a strip of polyvinylidene difluoride (PVDF

Beautiful demonstration of physics, gone wrong, partially. Best caption gets a shout-out! . . . ⠀

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

Simple Polariscope: polarized light reveals the hidden rainbows due to internal stresses imposed on polymer materials such as these pieces o

Digital Sundial: a complex array of thinly layered microlouvers allows the control of transmitted sunlight depending on angle- this one desi

The Klein Bottle: 3D representation of a four dimensional mathematical object with one side, no edges, and zero volume. Kind of like a Möbiu

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

Diamagnetic Mini Hoverboard: in this commercially available version a thin pyrolytic graphite sheet floats above a concave powerful magnet

Birefringence in Calcite: the speed of light in a calcite crystal depends on polarization- the refractive index is different depending on th