[youtube=http://www.youtube.com/watch?feature=player_embedded&v=uu7jA8EHi_0] Understanding relativity is hard but playing games is easy. What’s a physicist to do ...

Albert Einstein is unquestionably one of the greatest scientists to ever live. He’s responsible for likely the most well-known equation of all time, and decades after his death, his work is still a ...

David Wiltshire receives funding from the Royal Society of New Zealand. Alan Coley receives funding from NSERC, Canada. A renewed suggestion that dark energy may not be real — dispensing with 70% of ...

NINE years have passed since the historic meeting art the Royal Society, Burlington House, on Nov. 6, 1919, when the British eclipse expedition announced the confirmation of Einstein's prediction, ...

THE author has an idea: 16 to 18-year-olds should be taught special relativity at school. Most students learn it only if they take physics at university: the theory is considered too ...

Einstein’s theories of relativity propose that forward time travel is theoretically feasible by nearing light speeds, but backward time travel presents more challenges. Theoretical models like ...

The theory of relativity describes two connected scientific theories developed by the physicist Albert Einstein: special relativity and general relativity. Collectively, relativity is the idea the ...

I CAN understand a good deal of H. D.'s courteous reply to my letter (NATURE, Nov. 24, p. 808), for example, that there are degrees in understanding. But much remains as to which I should like ...