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, ...

Longitudinal wave

Longitudinal waves are waves that have same direction of oscillations or vibrations along or parallel to their direction of travel, which means that the oscillations of the medium (particle) is in the same direction or opposite direction as the motion of the wave. Mechanical longitudinal waves have been also referred to as compressional waves or compression waves.

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