Particles that dared to defy Einstein put to the test - Glenda Kwek - September 27, 2011
A US government agency is set to test the results of the discovery of particles travelling faster than the speed of light, announced last week, which shocked the physics world and led to dreams of time travel and extra dimensions.
The new tests could show Albert Einstein's 1905 theory of special relativity - that nothing can travel faster than the speed of light - may be sound after all.
Read more