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A wild new sound tech promises to create 'personal' sound only you can hear, but without headphonesTwin ultrasound transducers create highly focused audio Curved sound waves aren't audible if you're not in ... In 2016, Turtle Beach announced their Hypersound speakers which used transparent glass to ...
Researchers found a way to reinvent glass that is self-cleaning and doesn't need harsh chemicals to be water-resistant.
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