Controlling where sound goes is difficult because of a phenomenon called diffraction – the tendency of sound waves to spread out as they travel. This effect is particularly strong for low-frequency ...

"The sound waves create microscopic bubbles in a diazonium salt solution, which then collapse rapidly, creating tiny bursts of heat and pressure," Associate Professor Darwish said. "This triggers ...

Scholars and former FERC officials warn that political interventions could harm energy markets. President Donald Trump’s executive order asserting direct control over independent agencies sent ...