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How does it work? - Hair dryer

How does it work? - Hair dryer

This animation demonstrates the structure and operation of hair dryers.



hair dryer, household appliance, heater element, thermal overload relay, electric current, electric motor, electric cable, heat transfer, fan, technology, physics

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How does it work? - Vacuum cleaner

The vacuum cleaner creates a partial vacuum and sucks up dust with the help of the incoming high-pressure air.

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What happens in a liquid during evaporation and boiling? What does its boiling point depend on?

Melting and freezing

During freezing hydrogen bonds are formed between water molecules resulting in a crystal structure.

Phase transitions

A phase transition is the change of a substance from one state of matter to another.

Water (H₂O)

Water is a very stable compound of hydrogen and oxygen, vital for all known forms of life. In nature it occurs in liquid, solid and gaseous state.

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DC motors consist of a permanent magnet and a coil within the magnet, with electric current flowing in it.

Domestic electric light sources

This animation shows the characteristics of domestic light sources, from traditional light bulbs to LED lights.

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

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Electric motors are present in many areas of our everyday lives. Let's learn about the different types.

Surface tension

Surface tension is the property of a liquid that allows it to obtain the smallest surface area possible.


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Torsion balances

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