An 'exceptionally rare' pocket-sized calculator from the 17th Century is expected to attract £100,000 at auction. The Arithmetical machine is one of the first mechanical calculating devices known to ...

Curt Herzstark's fate seemed to be sealed in 1943 when the Nazis sent him to Buchenwald concentration camp. But then Herzstark, the son of a Jewish industrialist, received the unexpected opportunity ...

Form is temporary, function is permanent. The most important inventions are the ones that relate to the human condition, and they crop up over and over again. Below, Houston shares five key insights ...