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Electricity Through Air? Finland scientists made electricity that flows in air without wires

Scientists in Finland transmitted electricity through air using sound waves, lasers, and radio frequencies, creating “acoustic wires” that could revolutionize homes, industry and IoT devices without plugs or traditional cables.
'Chilling howls': NASA reveals spooky sound from a supermassive black hole – Listen here

Listen to the haunting audio clip of sound waves from a supermassive black hole 250 million light-years away, captured by NASA's Chandra X-ray Observatory and transformed into an audible experience.
'Less invasive' sound waves can be used to detect cancer: Researchers

The researchers have demonstrated in action the method of using sound waves to detect cancer.

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