Like their dolphin cousins, false killer whales can "see" underwater using echolocation to bounce sound off of objects. Now, a new study finds that the animals can actually focus their echolocation on ...

(PhysOrg.com) -- When trying to focus sound waves into as small an area as possible, scientists run into a fundamental limit called the diffraction limit. That is, when sound waves are focused into a ...

With 252 horsepower and 270 pound-feet of torque, there’s little doubt that Ford’s upcoming Focus ST hot hatch will be fast. That’s not enough for Ford’s engineers, who have gone to some extraordinary ...

Acoustic lenses are remarkable devices that just got cooler. A recent presentation at SIGGRAPH 2019 showed that with the help of 3D printing, it is possible to build the acoustic equivalent of optical ...

Sound, like light, can be tricky to manipulate on small scales. Try to focus it to a point much smaller than one wavelength and the waves bend uncontrollably--a phenomenon known as the diffraction ...

Imagine broadcasting sound in a targeted and specific manner. Instead of using a bullhorn to speak to a crowd, you could single out one person in that crowd without disturbing anyone else. Or, picture ...

As I write this, the most pleasing sound is washing over me—gentle waves ebbing and flowing onto the shore. Sadly, I’m not actually on some magnificent tropical beach. Instead, the sounds of the sea ...

Listening to music—particularly songs without lyrics—can help with repetitive tasks, increase focus, and boost productivity. But do you know what doesn't do any of that? Wasting 30 minutes trying to ...

Ford will soon deliver the 2012 all-electric Focus, and part of the package will be an artificial sound when the car moves at low speed. Ford has released four candidate sounds. Which sounds best to ...