or log in
This animation shows the characteristics of domestic light sources, from traditional light bulbs...
This animation demonstrates how an escalator works.
This animation demonstrates the structure and most important peripherals of desktop computers.
This town, situated on five islands, is world-renowned first and foremost for its glass...
This animation demonstrates how a refrigerator works.
This animation demonstrates the structure of water towers.
Tower cranes are machines used for lifting loads weighing up to several tonnes.
A differential allows the driven wheels of a car to rotate at different speeds when the car is...