The sound waves are naturally occurring, generated in the deep ocean after tsunami trigger events, such as underwater earthquakes, the university explains. Doing so helps them know what to expect well in advance of the tsunami making landfall, which suggests the possibility of better real-time early-warning systems. Scientists at Cardiff University have developed a new method to calculate a tsunami's size and destructive force by evaluating high-speed acoustic gravity waves (AGWs).
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"To our best knowledge, our Robat is the first fully autonomous bat-like biologically plausible robot that moves through a novel environment while mapping it solely based on echo information-delineating the borders of objects and the free paths between them and recognizing their type," according to the scientists.Ī way to detect tsunamis earlier using underwater sound waves With only sound as its input, Robat can move autonomously and map an area in real time-identifying object borders, classifying them using an artificial neural network, and avoiding obstacles. It uses an ultrasonic speaker that produces frequency-modulated chirps at a rate similar to that of bats, as well as two ultrasonic microphones that mimic ears. Like a bat, Robat emits sound and analyzes the returning echoes. Robat can map a physical space solely based on sound, according to a study by Tel Aviv University's Itamar Eliakim and colleagues, published in PLOS Computational Biology. In a scientific experiment that begs for its own comic book, a fully autonomous bat-like terrestrial robot, named Robat, uses echolocation to navigate its environment. A robot bat that uses sound for navigation and mapping And if you can get through this entire article without singing along with Kate Bush, you're a stronger person than I am. After all, while I may want to chase away teenagers, I'm not sure this is what I had in mind. These examples are all upbeat I intentionally left out downers or "advances" of debatable value. But the potential effects make them even more engaging. Most of these recent projects are still in a research phase and aren't anywhere close to production. Perhaps this will give you reason for good cheer today: Scientific explorations are underway that may lead to innovative improvements in healthcare, disaster prediction, and the protection of endangered ecosystems-all of which rely on research involving sound. Every so often, when the world is at its most depressing, we need a reminder that people are doing their best to improve the world.
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