Heron, the great inventor of Alexandria, described in detail what is thought to be the first working steam engine. He called it an aeolipile, or "wind ball". His design was a sealed caldron of water ...

Sometime in the first or second century AD, the ancient Greek mathematician and engineer Heron of Alexandria invented the ...

Used in Greek theater to announce the entrances and exits of the gods, the original thunder-making machine was invented by Heron of Alexandria in the first century CE. Pulling the lever opens a trap ...