Posts Tagged ‘sound waves’

‘Acoustic cloak’ could shield submarines with a cone of silence

Mar

2014

Weve seen some overly elaborate invisibility cloaks in our day, but Duke engineers have shown that lo-fi may be best for audio. After much refinement, theyve developed a shield that can hide objects from sound waves thanks to a highly engineered pyramid shape and carefully placed holes. The stacked layers retard sound coming from any […]

Category CA Technologies Tech Written by Engadget 0 Comments

Google invests in authentification technology using sound waves

Feb

2014

While Google already offers two-step verification for most of its online services, the company announced that it has acquired Israeli start-up SlickLogin, which specializes in identification and authentification based on sound waves. SlickLogins technology allows a user to be identified through high-frequency sound waves, inaudible to the human ear, that are emitted from a computer […]

Category CA Technologies Tech Written by Yahoo 0 Comments

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Posts Tagged ‘sound waves’

‘Acoustic cloak’ could shield submarines with a cone of silence

Google invests in authentification technology using sound waves

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