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

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.

Nifty tricks with dice, with knowledge of the law of physics.

And here's what happens if you pour water into hot oil.

2D model of heliocentrism and geocentrism

This model shows how the planets would rotate if the Earth were at the center of the system.

A giant bomb in the pool.