It was the fall of 1965 and Jack Kilby and Patrick Haggerty of Texas Instruments sat on a flight as Haggerty explained his idea for a calculator that could fit in the palm of a hand. This was a huge ...

Blaise Pascal was a mathematician, a scientist, a philosopher, a Christian writer and the son of a tax collector in 17th century France. The family business involved a lot of tedious arithmetic, so ...

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 ...

They can do everything from plot complex equations to even play games like Doom (if you have enough rotting potatoes) but the handheld calculator started out as a very simple device capable of ...