An acoustic technology developed at Pacific Northwest National Laboratory eliminates the need for laborious and costly sampling of slurries in large containers. Fermentation-based industries, such as ...

MIT's Van Atta Acoustic Backscatter leverages decades' old tech to create a promising new means of submersible signal transmission. By Andrew Paul Published Sep 7, 2023 5:00 PM EDT Add Popular Science ...

RICHLAND, Wash. – An acoustic technology developed at Pacific Northwest National Laboratory eliminates the need for laborious and costly sampling of slurries in large containers. Fermentation-based ...

How a battery-free, untethered underwater camera gets its operating power via wave-energy harvesting. How the camera captures images with minimal power use. How the camera communicates captured image ...

Tracking drones or whales under the ocean is very difficult because GPS signals break down rapidly in seawater. Typically tracking objects underwater is done using acoustic signaling, but tracking ...

Challenges in approaches to creating underwater communication links. How a unique piezoelectric array can be used for zero-power links. The special electrical and mechanical issues addressed when ...

Underwater backscatter localization could allow for battery-free ocean exploration. The system is akin to subsea GPS and has potential applications in marine conservation, aquaculture, underwater ...

MIT researchers have demonstrated the first system for ultra-low-power underwater networking and communication, which can transmit signals across kilometer-scale distances. This technique, which the ...