Sound is usually something we hear, not something we touch. But researchers at Virginia Tech have found a way to turn acoustic waves into invisible “hands” that can grab, move, and guide tiny objects ...
Imagine three people huddled in a circle so when one speaks, only one other hears. Scientists have created a device that works like that, ensuring sound waves ripple in one direction only. The device, ...
Have you ever stepped outside on a frigid, quiet morning and heard sounds emanating from somewhere far away? It's not your ...
Acoustic waves are best known as the invisible delivery agents bringing voices, car horns, or our favorite song to our ears.
A stellar concert is playing out in the night sky, and scientists are learning how to listen to it like never before. Deep inside stars, sound waves move through hot gas, creating vibrations. These ...
In the early 1980s, two Soviet-era missions, Venera 13 and 14, measured sound waves on Venus, producing a measurement of wind ...
The key ingredients for a fire are heat, fuel and oxygen; take one of these away, and the flames are extinguished. Sound ...
Thousands of marine species from microscopic zooplankton to the largest cetaceans rely on sound for survival and many have evolved unique oral and aural adaptations. Understanding them better could ...
New findings suggest that ordinary sound has negative gravitational mass. This is an Inside Science story. (Inside Science) -- The sound of a sonic boom may produce about the same magnitude of ...