Free Science Videos and Lectures

A metal crucible is filled with iron-oxide and aluminum. A small amount of potassium, sugar and chloride is placed on top of iron-oxide aluminum mixture. A few drops of concentrated sulphuric acide...

This science video contains:
iron, reaction, potassium, iron oxide, aluminum, chloride, sulphuric acid, exothermic, mixture, reduction

Mars is the fourth planet from the Sun in the Solar System. The planet is named after Mars, the Roman god of war. It is also referred to as the "Red Planet" because of its reddish appearance as...

This science video contains:
mars, earth, planet, surface, map, red planet, rotation, seasons

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

Building on the success of the two rover geologists that arrived at Mars in January, 2004, NASA's next rover mission is being planned for travel to Mars before the end of the decade. Twice as long...

This science video contains:
mars, planet, labaratory, rover, parachute, orbit, landing, exploration, msl

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