The film "What Is Sound?" from 1949 explores the concept of sound, explaining that sound is produced by vibrations of objects. It demonstrates various experiments showing how sounds are created and ...

First theorized in 1938, heat's wave-like flow through superfluids, known as "second sound", has proven difficult to directly observe. Now, a new technique has finally done it, and could be used to ...

Add Yahoo as a preferred source to see more of our stories on Google. In this 2018 photo made available by CERN, Nikolai Bondar works on the LHCb Muon system at the European Organization for Nuclear ...

In a breakthrough that challenges conventional physics, scientists have confirmed the existence of “second sound” — a phenomenon where heat travels as a wave rather than dispersing slowly, as it does ...