cosmology

Are the unchanging features of the Universe really unchanging?
One of science's biggest prizes awarded for research into strings and knots
Cambridge celebrates 25 years since the first very early Universe workshop
One of the many strange ideas from quantum mechanics is that space isn't continuous but consists of tiny chunks. Ordinary geometry is useless when it comes to dealing with such a space, but algebra makes it possible to come up with a model of spacetime that might do the trick. And it can all be tested by a satellite. Shahn Majid met up with Plus to explain.
Nurturing the future of observational cosmology
There might not be a Nobel Prize for mathematics, but maths is at the heart of the 2006 Nobel Prizes.
Scientists have for the first time measured the speed of gravity and tested Einstein's assumption - or have they?
This issue of Plus is a special, marking the occasion of Stephen Hawking's 60th birthday. Plus attended his Birthday Conference in Cambridge, where we interviewed some of the world's most influential mathematicians and physicists.
Plus is very proud to present Professor Stephen Hawking's own Birthday Symposium address.
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