Stephen Hawking's PhD thesis goes online for first time

Stephen Hawking's PhD thesis, 'Properties of expanding universes', has been made freely available to anyone, anywhere in the world after being made accessible via the University of Cambridge's Open Access repository, Apollo.

How does light travel?

Ever since Democritus – a Greek philosopher who lived between the 5th and 4th century's BCE – argued that all of existence was made up of tiny indivisible atoms, scientists have been speculating as to the true nature ...

How to build a time machine

Every now and again, we all indulge in dreams about travelling in time. Wouldn't it be wonderful to return to that specific point in the past to change a bad decision or relive an experience – those halcyon days of childhood, ...

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