The size of planets

Pi explained

Electrons - Spherical standing wave

Hydrophobic ball splash

Electrical tree

Electric arch

Can you absorb mercury with sponge?

Solid liquid

Polymer balls are invisible in water

Ferrofluid in water

Evolution

String theory demonstration - Running chain

Hand in hot ice

Water droplet orbiting charged knitting needle in space

Boston Dynamics wrecking ball test test

Feather and a bowling ball fall at the exact same speed in vacuum chamber

How the solar system moves through space

Tooth magnified to the atomic level

Solar power melts steel plate

Friction welding

Water refracting light

Straight bar passing through a hyperbola

Fractal gears

Magnetorheological fluid and a neodynium magnet

DaTscan

Bionic leg

Distance between Earth and Moon

Candles and low pressure

Venus years vs. Earth years