Physics

2022-10-23 21:00:01 Levitating clocks

A spherical magnet hangs 1 cm from the clock and rotates in a circle and is the second hand.

This happens due to the electromagnetic coils and Hall sensors installed inside. Открыть/Комментировать

2022-10-12 21:00:01 Curie-effect heat engine

The rotor is a circle of magnetic material. A magnet is fixed next to it. The rotor in one place, locally, is heated to Curie temperature, as a consequence of which the magnetic coupling temporarily disappears and the rotor-stator circuit is out of a stable position.

The rotor shifts, the cold part of the rotor is moved. As the rotor rotates, the heated parts cool down and come to a heating point with a temperature below the Curie point. The whole cycle repeats. Открыть/Комментировать

2022-10-12 14:00:02 A shower head shaping a stream in the form of a single-band hyperboloid. Открыть/Комментировать

2022-10-11 21:00:03 Such kind of pendulum is a straightforward physical system, exhibiting a variety of dynamic behavior with significant dependence on initial conditions. Открыть/Комментировать

2022-10-11 14:00:01 Slow-motion footage of the moment the light bulb burns out

Halogen, energy-saving, LED bulbs frequently burn out due to a sudden voltage spike. Открыть/Комментировать

2022-10-10 21:11:00 Lenticular raster

An array of flat-convex cylindrical collecting lenses positioned over an image or light-sensitive layer for reading or recording raster color or three-dimensional images. Открыть/Комментировать

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2022-10-10 14:00:02 A moving illusion

Each ball flies in a straight line, but ends up forming an illusion of counterclockwise motion. Открыть/Комментировать

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2022-10-09 21:00:02 This tiny battery-powered car overcomes gravity through centripetal acceleration and light friction against the glass surface. Открыть/Комментировать