Engineering

Researchers use ultrasound waves to move objects hands-free

University of Minnesota Twin Cities researchers have discovered a new method to move objects using ultrasound waves. The research opens the door for using contactless manipulation in industries such as manufacturing and robotics, ...

Computer Sciences

Using sound to model the world

Imagine the booming chords from a pipe organ echoing through the cavernous sanctuary of a massive, stone cathedral.

Engineering

Engineers build a battery-free, wireless underwater camera

Scientists estimate that more than 95 percent of Earth's oceans have never been observed, which means we have seen less of our planet's ocean than we have the far side of the moon or the surface of Mars.

Engineering

How eye imaging technology could help robots and cars see better

Even though robots don't have eyes with retinas, the key to helping them see and interact with the world more naturally and safely may rest in optical coherence tomography (OCT) machines commonly found in the offices of ophthalmologists.

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Sound

Sound is a travelling wave which is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.

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