Spiral oscillations are undamped oscillations, supported by external sources of energy, in a nonlinear dissipative system

Moire kinetic wheel

Homemade electromagnet 🧲

Iron core (nail), wire and direct current source (battery D) - when the circuit is closed, the magnet turns on.

Ampere's law: a moving charge (current) creates a magnetic field.

Eyewitnesses filmed an extraordinary natural phenomenon.

This volcanic lightning has a flash temperature of 30 thousand degrees Celsius, which is 6 times hotter than the surface of the sun.

Wire in macro photography, the effects of pressure force.

Very recently born twins are placed under water, and think they're still in the womb....

The Power of Hurricane Force Winds

A hydrophobic surface has the ability to repel water

Liquid droplets on a hydrophobic surface are smoothly flowing off it, while maintaining the shape of their molecules.

Colossal German soldier taken prisoner by the French, circa 1915