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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:

👉🏻 Ambiguous Suits & Hearts: A mathematically calculated combination of perspective and the physics of reflection produce this striking illusion that works in many configurations.

👉🏻 1790 Terrestrial Globe by Mova: rotating counterweighted globe sealed within a clear liquid filled acrylic sphere. The rotation in a Mova globe is powered by light that shines through the semi-transparent map image on to solar cells within the globe which drive a motor. But what does the motor push against to maintain the rotation? Believe it or not it uses magnets to push against the Earth's magnetic field like a compass needle. Wonderful physics of all kinds in the design of this clever device.

👉🏻 Reflection and Refraction of a Cyan Laser Pointer: a new affordable wavelength laser pointer that’s pretty new on the market- 488nm producing a beautiful hue of blue. The beam is made brightly visible as internal reflection constrains most of the laser light to propagate along the interior of this block of acrylic (similar to the physics of fiber optics).

👉🏻 Lenz’s Law: a strong neodymium magnet falls slowly down a thick walled copper tube as though passing through a viscous liquid.

👉🏻 Chaotic Double Pendulum with Ring: the intricate dance of chaotic motion from a simple assembly of two physical pendulums (one attached to the end of the other) with the energy of the system moving back and forth between the potential energy of gravity to the kinetic energy of motion. Chaotic motion is characterized by extreme sensitivity to initial starting conditions, tiny differences in how the system is released leads to dramatically different outcomes each time.

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👉🏻 Vortex Marble: glass art intersects with the physics of optics in this lampwork art form invented by Kevin O’Grady circa 1994- and this marble bears his signature mark on the back. The clear glass face on these marbles acts as a convex lens giving the illusion that the spiral goes deeper than the diameter of the marble. Different kinds of dichroic glass (doped with thin layers of metals and oxides) is mixed in to the borosilicate marble to create the intense colors.

👉🏻 Magnetic Equilibrium Pen: a weighty and elegant wooden writing pen dances and stands up on its tip when released, trapped against gravity by magnetic fields. Magnetic viewing film reveals the shape of the field from the strong neodymium magnet in the base, and that of the magnets embedded in the pen.

👉🏻 Double Pendulum Chaos: chaotic motion from a simple assembly of two physical pendulums (one attached to the end of the other) for which the energy of the system moves frenetically back and forth between the potential energy of gravity to the kinetic energy of motion.

👉🏻 Magnetic Paperweight: kinetic art as oscillations about a magnetic equilibrium point.

👉🏻 Jupiter Globe by Mova

👉🏻 Resin Art Kalliroscope: visualizing fluid flow— a slight tilt of the hand speeds the bubble through the rheoscopic fluid producing a wake of turbulence made visible by the tiny flake crystals of mica catching the light. This fidget version of the kalliroscope is constructed of artistically colored and poured resin and includes a small magnet that can also be manipulated from below. Invented by Paul Matisse in the 1970s to allow visualization of fluid motion.

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