Nikola Tesla: Did you mean...?

The discovery of X-rays – a form of invisible radiation that can pass through objects, including human tissue – revolutionised science and medicine in the late 19th century. Wilhelm Conrad Röntgen (1845-1923), a German scientist, discovered...

A gouache on paper painting titled The War of the Currents 1907 by Nicha Sursock. This is part of a series of 43 works representing the history of the USA. The genius and the rivalry of Nikola Tesla and Thomas Edison, pioneers of electricity...

In the chaos following the American Revolutionary War, a pair of bandits known as the Harpe Brothers went on a vicious killing spree across the frontier. They are now considered the first serial killers in America. Watch this video ad-free...