Edison’s light bulb
The American electrical engineer Edison invented the incandescent light bulb in 1879, which changed our everyday life.
Learn how a nuclear power plant with pressurized water reactors is operated.
A ray of light is reflected or refracted at the boundary of two mediums with different...
Legendary inventor, crazy scientist or the greatest genius of all times? Meet Nicola Tesla, one...
Mechanical bell that functions by means of an electromagnet.
A transformer is a device used for converting the voltage of electric current.
Electric current can be generated by rotating an armature loop in a magnetic field.
Capacitors store electrical energy in the form of electric charge.
A dynamo converts mechanical energy into direct current.