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.
Rafa, meanwhile, has won 59 of 60 matches at Roland Garros -- the best record for any player at any Grand Slam. That translates to a total of eight French Open titles, accrued prior to one week after his 27th birthday, and one more than the seven Wimbledon championships of Federer and Sampras.