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 ...

(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 ...

Researchers have invented a new sort of material with a built-in superpower: it can bend, shape and focus sound waves that pass through it, opening up new possibilities for medical imaging, personal ...

“The surface modulates sound waves in such a way that they converge at a central point after leaving the speaker, allowing us to focus the audio into a precise area.” To validate the design, the ...

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 ...