Free Science Videos and Lectures

This is our home. Earth from 4 billion miles (Voyager 1991).

This is here. This is us. On it every one you ever heard of. Every human being who has ever lived. All our joys and sufferings....

This science video contains:
earth, carl sagan, planet, milky way, voyager, satellite, human, inventor, explorer, universe

A piece of heated potassium is placed in chlorine. The reaction is violent and instantaneous which causes it to burn.

This science video contains:
chlorine, reaction, fire, potassium, cl

The National Institute of Advanced Industrial Science and Technology in Japan has created some incredible new robot/animatronic dinosaurs that can actually walk around.

This is useful for children...

This science video contains:
japan, advanced industrial science and technology, dinosaurs, robots, animatronic, education, realistic

When potassium is heated is starts reacting with oxygen. Since air is mostly oxygen, the reaction happens pretty quickly and it starts burning.

This science video contains:
heat, burning, reaction, fire, air, oxygen, potassium

This video shows action much slower than you see on television or with your eyes.

For example, a puma running ten times slower, you can see every muscle moving. Then some bird flying 10 times...

This science video contains:
high resolution, balloon, bird, explosion, slow motion, high fps, puma, camera, incredible details