Ultrasound technology made to measure
The range of uses for ultrasound is gigantic; the applied technologies are just as diverse. Researchers are now covering a wide range of applications with a new modular system: From sonar systems to medical ...
Sonar-assisted human navigation
When a biologist who studies bats and a computer scientist cross paths, amazingly cool things can happen.
Undergrads use sonar to uncover Lake Union shipwrecks
Below the kayakers, seaplanes and construction cranes in Seattle's Lake Union lie unseen relics of the city's history. Shipwrecks from past generations rest just below the busy surface.
Debris revives hope of finding Amelia Earhart plane
Researchers on the trail of missing 1930s aviatrix Amelia Earhart say they are increasingly convinced that aluminum debris found on a South Pacific beach came from her lost airplane.
Dolphin-inspired sonar overcomes size-wavelength limitation
RobotsLAB offers tiny BMW Z4 for NAO robot to drive around (w/ Video)
For bats and dolphins, hearing gene prestin adapted for echolocation
A little over a decade ago, prestin was found to be a key gene responsible for hearing in mammals. Prestin makes a protein found in the hair cells of the inner ear that contracts and expands rapidly to transmit signals that ...
Synthetic aperture sonar to help Navy hunt sea mines
(Phys.org) —Since World War II, sea mines have damaged or sunk four times more U.S. Navy ships than all other means of attack combined, according to a Navy report on mine warfare. New sonar research being ...
Whales hear us more than we realize
Killer whales and other marine mammals likely hear sonar signals more than we've known. That's because commercially available sonar systems, which are designed to create signals beyond the range of hearing ...
Sonar loaded underwater robot to hunt for MH370
A torpedo-shaped mini-sub could provide conclusive proof that missing Malaysia Airlines Flight MH370 crashed into the Indian Ocean, but the task is set to push the machine to its limits.
Dolphins inspire rescue radar device
British engineers said Wednesday they had taken inspiration from dolphins for a new type of radar device that could easily track miners trapped underground or skiers buried in an avalanche.
Whale mass stranding attributed to sonar mapping for first time
An independent scientific review panel has concluded that the mass stranding of approximately 100 melon-headed whales in the Loza Lagoon system in northwest Madagascar in 2008 was primarily triggered by acoustic ...
Military sonar can alter blue whale behavior
Some blue whales off the coast of California change their behavior when exposed to the sort of underwater sounds used during U.S. military exercises. The whales may alter diving behavior or temporarily avoid ...
Distributed Agile Submarine Hunting (DASH) program completes milestones
DARPA's Distributed Agile Submarine Hunting (DASH) Program has tested two complementary prototype systems as part of its Phase 2 development effort. The prototypes demonstrated functional sonar, communications ...