The Battle of Britain was one of the great turning points of WWII. The air battle -- fought largely over Southern England -- was a vital victory for the Allies. From a morale point of view, it proved ...

German engineer and inventor Konrad Zuse is considered as the inventor of the modern computer but was frustrated in his ...

Heron of Alexandria was an important ancient Greek inventor of mechanical devices whose inventions included the first steam ...

When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.