![3D Rendering of an animation of automated temple doors](https://www.artefacts-berlin.de/wp-content/uploads/2018/06/heron-003-1.png)
While people think about getting to Mars these days, 2.000 years ago, the Greeks were thinking about steam machines! One in particular, Heron of Alexandria (c. 10-70 CE), was very inventive and developed (maybe the first) steam engine! A true genius that is. While he invented a lot of other things, one of his inventions […]