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.

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.

Demonstration of step-by-step sphere calculations.

Mesmerizing work with red-hot glass

Glass becomes malleable when heated to 1,300 degrees

Air Spiral Yule

Small magnets keep the top attached to the base so that air flow will cause rotation as air passes through the engineered turbine blades of the elegant spiral design.

Making hydrophobic glass with a candle

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The domino effect

Vortex Bank

Interaction of potential energy of gravity and conservation of angular momentum - simulation of a decreasing orbit

When the bow is drawn, the arrow has potential energy; for a flying arrow, the energy is converted to kinetic energy.

Homemade flamethrowers from fire extinguishers.

Dead Loop Race at the X Games Extreme Sports Festival in Los Angeles

Magnetic Slime.

Vantablack is the blackest known substance. It absorbs 99.965% of light.

A stunning prototype engine running on liquid nitrogen.

Slime in a vacuum.

Spherical 3D model of the observable universe

This represents about 92,200,000,000^3 light-years of volume.

Tabletop internal combustion engine.