The automatic goblet of Philon (3rd c. B.C.) – The first self-adjusting controller of the level in human history

It was an invention of Philon of
Read more...
Method of checking the purity of gold (3rd c. B.C.)

When the tyrant of Syracuse, Hieron II,
Read more...
The hydraulic endless screw of Archimedes (3rd c. B.C.)

It is a mechanism (which Archimedes studied
Read more...