April 13 
1888: John Hammond, Jr., developer of radio remote control, was born. 1892: Sir Robert Alexander Watson-Watt, "Father of Radar," was born. 1909: Stanislaw Ulam, who determined the way to initiate fusion in a nuclear bomb was to use a fission reaction to create the necessary compression, was born. 1912: Royal Flying Corps was formed (later became the RAF). 1954: Nuclear bomb designer Robert Oppenheimer was accused of being a communist. 1960: The first U.S. navigational satellite, Transit-1B, was launched into Earth orbit. 1970: Apollo 13 announced "Houston, we've had a problem here" after an oxygen tank exploded en route to Moon. 1997: Tiger Woods, 21, became the youngest person to win the Masters Tournament. 2008: John Wheeler, who coined the term "Black Hole," died. |