The Széchényi Chain Bridge, named after István Széchenyi, was the first permanent bridge across the Danube between Pest and Buda.
Small farms usually located near the border of rural towns, inhabited by peasants.
The structure of fortresses developed together with military technology.
The efficient reconnaissance aircraft has been used by the CIA since the Cold War.
The screw pump commonly attributed to Archimedes made irrigation much more effective
The castle of Belgrade (Nándorfehérvár) was one of the most important components in the chain of Hungarian border forts.
The B-2 Spirit heavy stealth bomber was deployed in the Balkan war, Afghanistan and Iraq.
The Soviet-made satellite was the first spacecraft to be launched into outer space (in October 1957).
Tall buildings are mementoes of human history and technological development.
A brick castle in South-East Hungary; its oldest parts were probably built in the late 14th century.
A legendary fighter plane used by the German air force in World War II.
The Global Positioning System consists of 24 satellites but only 4 have to be visible for positioning.
Direct action pumps and suction pumps are among the simplest water pumps.
A colourful and entertaining animation to practise orientation in space.
The Fighting Falcon is the most successful aircraft in the category of multi-purpose fighters.
A game about the different views of complex objects.
This animation demonstrates various groups of solids through examples.
An exercise about the volume and surface area of solids generated from a ´base cube´.
The Soviet-made twin-engine interceptor aircraft was first deployed in 1982.
Cyclones are large air masses with winds spiralling inwards around a low-pressure centre, and carry clouds and precipitation.