Engineering

A screw that can halve the level of perceived sound

Could noisy neighbors become a thing of the past? If you are disturbed by crashes, bangs, and muffled voices from next door, then you are not alone, but a Malmö University researcher thinks the answer is as simple as a screw.

Engineering

Scientists use smartphone gyroscopes to sync time across devices

Skoltech researchers have designed a software-based algorithm for synchronizing time across smartphones that can be used in practical tasks requiring simultaneous measurements. This algorithm can essentially help turn several ...

Internet

Google releases Blob Opera just in time for the holidays

Google has released a new app called blob Opera—a machine learning application that allows songwriters of all skill levels to compose songs—operas or otherwise—performed onscreen by four singing "blobs." In announcing ...

Engineering

Engineers combine light and sound to see underwater

Stanford University engineers have developed an airborne method for imaging underwater objects by combining light and sound to break through the seemingly impassable barrier at the interface of air and water.

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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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