Physicists have finally turned a long standing thought experiment into a laboratory reality, showing that electromagnetic ...

One of the neatest minor inventions of the war, a new signaling mirror, was announced last week by General Electric. Equipped with a sighting device that works on the same principle as a sextant, the ...

Charles F. Bolden graduated from the Naval Academy in 1968 and become a Marine Corps aviator, flying more than 100 combat missions over Southeast Asia. In 1980 he was selected a NASA astronaut and ...