The first room-temperature superconductor has finally been found

It’s here: Scientists have reported the discovery of the first room-temperature superconductor, after more than a century of waiting. The discovery evokes daydreams of futuristic technologies that could reshape electronics…

Fundamental constants place a new speed limit on sound

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…