Physicist Stephen Hawking made a splash this week when he announced that he had solved a vexing conundrum that had puzzled generations of leading physicists - including the 73-year-old scientific superstar himself - for the better part of a half-century.
Physicist Stephen Hawking made a splash this week when he announced that he had solved a vexing conundrum that had puzzled generations of leading physicists - including the 73-year-old scientific superstar himself - for the better part of a half-century.