Free Science Videos and Lectures

The universe began with the big bang, and for the first four hundred thousand years all matter was ionised, indicated by the blue region in the diagram. When the universe had cooled enough to allow...

This science video contains:
matter, stars, earth, big bang, galaxies, light, solar system, time, space, supernova, expansion

Dr. Quantum explains the importance of double slit experiment in physics.

If we randomly shoot small objects, say marbles, at the screen through a slit we see a pattern on the wall where they went...

This science video contains:
quantum physics, double slit, experiment, marbles, electrons, pattern, waves, interference, particles, superposition, matter, wave function