The inflammation of the vermiform appendix, which is connected to the cecum, requires immediate surgical intervention. The animation shows the cause and...

Terms of physical geography

This animation demonstrates the most important relief features, surface waters and their relevant symbols.


The primary duty of these Japanese warriors was to serve their feudal lords, even at the cost of their own lives.

Namdaemun (Seoul, South Korea, 14th c.)

Designated as the first National Treasure of South Korea, the Namdaemun was one of the major gateways of Seoul's Medieval city walls.

Himeji Castle

Located close to Osaka, the Japanese castle is also called the White Heron because of its white exterior.

The Berlin Wall (1961-1989)

A symbol of division and oppression, the Wall tore a city and numerous families apart.

Construction of cars

This animations demonstrates the exterior and interior construction of cars, as well as their operation.

What is the time?

A game to practise the use of analogue and digital clocks.

Dividing Space into Regions by 3 Planes

Division of space by three intersecting planes in several different arrangements.


Ports must provide necessary infrastructure and services for industry and marine transport.


Airports provide infrastructure and services necessary for aviation.


The most ancient group of animals, they live underwater, lack real tissues and body symmetry.

Mid-latitude cyclone and anticyclone

Cyclones are large areas of circulating air with clouds and precipitation being formed in its centre.

Volume of a tetrahedron

To calculate the volume of a tetrahedron we start by calculating the volume of a prism.

Desktop computer

This animation demonstrates the structure and most important peripherals of desktop computers.

Two-stroke engine

A two-stroke engine is a type of internal combustion engine with a cycle of only two (power) strokes.

Actekų valdovas (XV a.)

Actekų imperija buvo despotiška, militaristinė valstybė, valdoma valdovo tlatoani ("karalius").

Viduramžių Kinijos imperatorius

Didžiulės Tolimųjų Rytų imperijos imperatorius buvo gyvybės ir mirties valdovas.

Warm front, cold front

Cold and warm fronts are formed where bodies of cold and warm air meet.

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