PhysicsFun is bringing you 11 Next Level Science Desk Toys/Gadgets!
Sit back and relax. Enjoy 10 minutes of oddly satisfying scientific curiosities featuring many mindblowing stuff!

This video contains many interesting science gadgets, satisfying science experiments, innovative science toys, amazing science toys/gadgets and many more DIY, handmade physics toys, gadgets available on amazon, etsy, educational innovations, kickstarter.


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0:03 Cherry Blossom Sake Cups: Pour up some hot beverage and bare branches fill with pink flowers at the bottom of these ceramic color-changing physics cups. The color change employs leuco dyes, thermochromic chemicals that have two reversible forms, one colorless.

0:51 Electromagnetic Levitation Module: this engineered control system uses adjustable electromagnets (four copper coils) and and two Hall effect magnetic field sensors (held firm embedded in white silicone) to levitate a 5cm diameter neodymium magnet platform about 3 cm in mid-air. A feedback loop informed by the Hall effect sensors allows fine tuning of the magnetic field to exactly balance the pull of gravity, and is powered by a standard USB connection. The platform also rotates, perfect for showcasing one of my metal 3D printed mathematical sculptures by Bathsheba Grossman.

1:39 Glow Trace Chaotic Pendulum: this fun and DIY kit features a UV diode to trace the intricate path of this double pendulum system on to a phosphorescent screen, revealing the physics of chaotic motion. It’s amazing that such complex motion can arise from a simple assembly of two pendulums, one attached to the end of the other.

2:32 The HoverPen: versions 1.0 (vertical) and 2.0 (inclined 23.5°) sleek writing pens trapped against gravity by a magnetic fields via precision engineered placement of neodymium magnets in their bases.

3:02 Arrow on Möbius Strip, : on the geometry of a Möbius strip a right pointing arrow points left after one trip around, a second trip restores the original orientation. This mathematical property is called non-orientability, and is also true of Klein bottles which I’ve posted about. I love how this 3D printed model, designed and produced by Wes Pegden, allows one to physically manipulate and intuit this somewhat obscure mathematical property.

3:41 Coins and Eddy Currents

4:23 Zeeman Effect on Mercury Green Emission Line @exploratorium: directly explore the Quantum Mechanics of electron spin with this amazing interactive exhibit. Excited Mercury gas emits a bright green line at 546nm (seen here as concentric circles using a Fabry-Perot interferometer) due to electrons transitioning between the quantized energy levels. We learn in chemistry that electrons come two to a shell with opposing spins (Pauli Exclusion). Indeed when the excited Mercury tube is placed in between magnets the green line splits, demonstrating that the electrons now have slightly different energies corresponding to the spin orientations interacting with the magnetic field. Advanced level quantum phenomena in a museum exhibit! 🌟With special thanks to the Exploratorium!

5:07 TV Rock: Not to be confused with ulexite, a mineral of boron with similar TV rock properties.

6:00 Drag Engraved Kinetic Fractal: a representation of the Mandelbrot set in foil by lav8org- produce by thousands of tiny precision scratch marks using a two axis CNC machine with a carbide tip. The art sits on a photography turn table to bring the kinetic nature of the work to life as the shading produced depends on the angle of the view and the location of the light source.

6:41 Coupled Pendulums

7:24 Newton's Cradle: industrial model made with galvanized aircraft cable, aircraft aluminum for the frame, and 1.5 inch one-half pound nickel plated chrome steel spheres. (0.23 kg and 3.8cm in diameter each) The classic demonstration that shows the curious behavior due to conservation of both momentum and kinetic energy.

9:01 BONUS CLIPS


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