Free Science Videos and Lectures

Dr. Quantum welcomes you to flat-land, the world of only two dimensions!

In this world there is only forwards, backwards and left and right. There is no up and no down!

In this world two...

This science video contains:
space, sphere, dr quantum, flat land, 2d, two dimensions, 3d, three dimensions, dimension, up, down, back, forward, creature, unknown, cube, tetrahedron, ellipse

The plane is vibrated at some specific frequency. The waves travel across the plane and at some places they add together and at other places they cancel out. Where they cancel out the salt stucks...

This science video contains:
interference, resonance, plane, salt, node, antinode, destructive, constructive

First waves in a large free sphere of water in weightlessness are examined.

A large free sphere of water 130mm in diameter. A puff of air is put radially directed from side and we look at the...

This science video contains:
experiment, zero g, 0g, weightlessness, water, sphere, surface waves, body waves, water droplets, elastic collisions, effervescent antacid tablet, chemical reaction

A ferrofluid is a liquid which becomes strongly polarised in the presence of a magnetic field.

Ferrofluids are composed of nanoscale ferromagnetic particles suspended in a carrier fluid, usually...

This science video contains:
ferrofluid, ferromagnetic fluid, magnet, magnetization

Neutron slams into the nucleus of a heavy element which causes a nuclear fission creating two ligher elements (fission products) and more free neutrons.

These free neutrons are absorbed by other...

This science video contains:
nucleus, nuclear fission, neutrons, fission products, chain reaction