Friday, 7 October 2011 by Estelle Asmodelle Cosmos Online Disorder can greatly affect how waves travel, sometimes even causing them to stop in their tracks. A lone trumpeter on stage has no trouble projecting to the entire audience, since the sound waves from his horn travel freely in every direction. If a small amount of […]
‘Stuck’ quantum matter waves prove theory Read More »
Sep 13, 2011 Could the Sun test alternative theories of gravity? Alternatives to Einstein’s general theory of relativity can be investigated by studying the Sun. That is the claim of a group of physicists in Portugal who have found that a variation of a theory put forward nearly a century ago by Arthur Eddington is
Sun puts relativity to the test Read More »
Tuesday, 16 August 2011 by Estelle Asmodelle Cosmos Online Viewing image 1 of 2 In the diagram a light trajectory is shown. The light ray enters the device, completes a loop, bounces off the mirror twice and leaves the cloak with its original direction restored (A). Credit: Perczel et al & New J. Phys. Panel
Undergrad student overcomes invisibility hurdle Read More »