Video recording machine invention
The video recording machine was invented by the Ampex corporation of California in 1956. The first video recorder, the Ampex VR1000, stood 1,1 m (3 ft 3 in) high and weighed as much as a small car: 665 kg (1,466 lb).
More Inventions Facts
The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.
Bullet proof vests, fire escapes, windshield wipers and laser printers were all invented by women.
Grenades were invented in China over 1,000 years ago.