These tools, revolutionary even in their simplicity, are still in use today.
The dentition of different species of mammals reflect their feeding habits.
A type of prehistoric reptile having bony plates on its back, which aided thermoregulation.
A liquid-crystal display utilises the light modulating properties of liquid crystals.
This animation explains how a plasma display television works.
This animation demonstrates how a CRT television works.
Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.
Computer hard disk drives are devices of magnetic data storage.
A transformer is a device used for converting the voltage of electric current.
In a passive house a comfortable inner temperature can be ensured without the use of traditional heating and cooling systems.
The cause of a heart attack is the blockage of a coronary artery. It is one the most common causes of death.
Mirror image isomers of asymmetrical shapes and solids are non-superimposable.
The torii is a traditional Japanese gate built at the entrance of shrines.
Stirling engines are also known as external combustion engines. Unlike internal combustion engines (e.g. Otto-engine), here combustion takes place outside...
The characteristic ancient Greek statue was found on the bottom of the Adriatic Sea.
One of the Croatian sculptor's most famous works depicts a woman wearing a traditional costume.
A special, 3D version of the well-known Chinese logical game.
A differential allows the driven wheels of a car to rotate at different speeds when the car is turning.
With the example of the stag beetle we demonstrate how insects' muscles function, how insects fly and how they reproduce.
The European badger is an omnivorous, nocturnal animal. Badger colonies live in large burrow systems, called setts.