The question of which sound was the first ever to be recorded seems to have a pretty straightforward answer. It was captured in Paris by Édouard-Léon Scott de Martinville in the late 1850s, nearly two ...
It can sometimes feel like the world is very noisy—from planes arcing loudly through the sky to the unceasing buzz of your cellphone. But it wasn’t always this way. There weren’t always sounds being ...
ALTHOUGH Fauvel, 1 in 1843, attributed the apical presystolic murmur to stenosis of the mitral valve, Duroziez's 2 description — "ffout-tata-rou" — in 1862 has been considered as the classic ...
WHILST every one knows that the action of the heart is accompanied by sounds described as the first and second sounds of the heart, it is a remarkable fact that the mechanism by which the former of ...
“Sharks are maybe not as silent as we thought,” a researcher said. The first-ever sounds of sharks have been captured by researchers, according to a new study published in the journal Royal Society ...
Two independent groups of physicists have unveiled the first phonon “lasers” – devices that emit coherent sound waves in much the same ways as lasers emit coherent light waves. Sometimes called ...