Acoustics
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Because GPS doesn't work underwater, divers usually can't track their real-time position on a digital map. The new Diver Navigation System (DNS) gets around that problem, however, using both floating and wearable acoustic transponders.
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Around this time last year, as part of its 50-year celebrations, California's Drum Workshop announced the upcoming release of an acoustic/electronic drum set featuring wireless triggering tech. Now the DWe convertible kits have officially launched.
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Fender has pulled back the stage curtain on the Highway Series acoustic guitars in dreadnought or parlor guises, each slimmed down for a more comfortable playing experience and "finely tuned for performance on and off the stage."
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Guiding lasers where they need to go is a key part of optics systems, and now engineers at DESY have developed a way to bend laser beams without anything touching them. The light is deflected using an invisible grating made of air shaped by acoustics.
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We first got our hands on Lava's oddball carbon-fiber Me 2 smart guitar back in 2021, which was followed by a new model later that year. Now the company has announced the fourth generation, adding a spruce option plus a more affordable Play flavor.
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Boss has added an interesting new amplifier to its acoustic range. The AC-22LX battery-powered compact amplifier for acoustic instruments rocks Air Feel processing for faithful natural tones at performance volumes.
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Due to factors such as murky water and limited peripheral vision, it can be hard for scuba divers to keep track of where their fellow divers are at all times. A newly developed smartwatch app, however, may soon make it much easier for them to do so.
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EPFL researchers have developed a 100% effective, ultra-thin active noise cancelling system that uses an ionized air plasma propulsion system instead of speakers. A 17-mm-thick (0.6-in) layer can block 20 Hz noise as well as a 4-m-thick (13-ft) wall.
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Back in 2017, HyVibe launched an Indiegogo for a hybrid acoustic with built-in digital smarts. This was followed by a kit to give such superpowers to any acoustic. Now the company is back with an Essential system that players can install themselves.
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Whisper Aero says its electric aircraft propulsion systems are "20% more efficient and 100x quieter than anything else on the market." They're designed for drones, planes and possibly eVTOLs, and there's also a funky-looking concept plane.
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Researchers have taken another step forward in medical micro-robotics, designing a tiny sound-propelled bot with a unique design that mimics natural swimmers like bacteria. It can quickly move around the body to deliver drugs where they're needed.
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Using touchscreens or buttons to control devices isn't always practical, and voice commands may not work in loud environments. A new system offers an alternative, in that it utilizes acoustic waves which travel across the surface of existing objects.
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