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.
William G. Morgan is the inventor of the famous game volleyball. He was born on 1870 in new York. Morgan atended the springfield college of the YMCA (young mens christian association) in massachusets where he became the direcyor of physical education. He felt he nedded to find a sport that suited young people a game less violent and less intense.