Edison’s light bulb

The American electrical engineer Edison invented the incandescent light bulb in 1879, which changed our everyday life.

Related extras

DC motor

DC motors consist of a permanent magnet and a coil within the magnet, with electric...

The operation of a nuclear power plant

Learn how a nuclear power plant with pressurized water reactors is operated.


Capacitors store electrical energy in the form of electric charge.

Generators and electric motors

While generators convert mechanical energy into electrical energy, electric motors...

Salt music

Watch this video to find out whether tap water and table salt are able to conduct electricity.

Alkaline batteries

In alkaline batteries electric current is generated by electrochemical reactions

The reflection and refraction of light

A ray of light is reflected or refracted at the boundary of two mediums with different...

Generating alternating current

Electric current can be generated by rotating an armature loop in a magnetic field.

Added to your cart.