The Guardian: The incredible ambition of the Large Hadron Collider has fired our imagination; physicists have become cult TV stars; dramatic new pictures from space grace a million computer screensavers. Is this a golden age of science? The Guardian asks Brian Cox, Martin Rees, Alok Jha, Kevin Fong, Dara O Briain, Tim Radford, Sam Wollaston, Laura Spinney, Ian Sample, and Alice Roberts, for answers.