An electroencephalogram -- or EEG -- machine measures electrical impulse activity in the brain and can help give a diagnosis for conditions such as epilepsy.
His name is one of the most famous in the world of sport - yet almost nobody knows who the man was. Roland Garros has become synonymous with clay court tennis since the French Open was named in his honour in 1928. Now, his name is daubed in green and rust-red on almost every surface available to marketeers at Stade Roland Garros in Paris - from tennis balls and benches to parasols and sun hats.
Well, Roland Garros was actually an aviation pioneer, who on 23rd September 1913 was the first man to fly a plane over the Mediterranean plus he was a World War I hero after shooting down enemy aircraft, yet to many people it seems strange to have an aviators name for a tennis stadium.