The acoustic properties of an ultracold fermion gas have been measured either side of the superfluid transition temperature in an experiment that has been described as “near perfect” and “beautiful”.
Electrons in graphene just broke their own sound barrier. Scientists created a controllable electronic shockwave inside a ...
The last time we took a break from any scientific considerations and blatantly entertained our minds with something equally crazy and inventive, there was just one easy option. Of course, it was ...
Although few people ever get the chance to travel at the speed of sound, it is an alluring flight goal and an impressive technological feat. Though average people have flown at high speeds on ...
Sound has a speed limit. Under normal circumstances, its waves can travel no faster than about 36 kilometers per second, physicists propose October 9 in Science Advances. Sound zips along at different ...