Who has calculated the circumference of the Earth?

In one of Aristarchus' books that did survive, he laid out the earliest known attempted calculations of the sizes and distances to the Sun and Moon.

From solar eclipses, where the Moon passes in front of the Sun, they realised that the Sun was further away. Aristarchus estimated that t...

Another decade of development produced the Xerox 914 - named because it could copy paper up to 9″ x 14″. This model was simple to use and didn't damage originals.

As with most new tech, it had some problems. It tended to overheat and often came with a fire extinguisher. The machines requir...

The Gish gallop technique was first known by names such as 'argument by verbosity', 'proof by verbosity', and 'shotgun argumentation.'

Professor Eugenie Scott used the term 'Gish gallop' to describe the debate technique of Duane Gish, a Yo...