New twist on 40-year-old discovery
Tuesday, February 24, 2009 - 07:14
in Physics & Chemistry
The rotating black hole has been described as one of nature's most perfect objects. As described by the Kerr solution of Einstein's gravitational field equations, its spacetime geometry is completely characterised by only two numbers - mass and spin - and is sometimes described by the aphorism 'black holes have no hair''...