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NASA Data Sonification: Black Hole Remix
In this sonification of Perseus. the sound waves astronomers previously identified were extracted and made audible for the first time. The sound waves were extracted outward from the center. (source)
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They put out fires using sound waves. 🤔
Just two cons flying around 
"Directional characteristics of transducers." Underwater acoustics. 1963.
Internet Archive
Making Sound Visible
Sound is not something we can typically see, though there are ways to visualize it, including cymatics and special acoustic cameras. This video pursues a different tactic: using schlieren photography and stroboscopic lighting to show how sound waves reflect and deflect. (Video and image credit: All Things Physics; submitted by David J.)
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Curtin University researchers have developed a new technique to make glass water-repellent, a feature that could improve safety in vehicles,
Curtin University researchers have developed a new technique to make glass water-repellent, a feature that could improve safety in vehicles, reduce cleaning costs for buildings and enhance filtration systems. The research, published in Advanced Functional Materials, shows how an innovative and non-toxic process using ultrasonic sound waves can alter the surface of glass, making it either hydrophobic (water resistant) or electrically charged.
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