Sonar
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ScienceScientists have copied the sonar system used by dolphins to locate prey, to create a type of radar that could differentiate between ordinary objects and things like explosive devices.
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ScienceA new "Wi-Vi" system developed at MIT can see through walls to track moving people using low-cost Wi-Fi technology.
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ReelSonar is a smartphone-enabled Bluetooth fish finder.
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ScienceAn Israeli zoologist plans on studying bat behavior by equipping captive-raised bats with GPS, ultra-sonic microphones, and other sensors.
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Two shipwrecks have been located in the deep Atlantic off Ireland, each potentially loaded with millions of ounces of silver.
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The Tacit is a wrist-mounted device that uses sonar to measure the distance to objects and provide visually impaired users with a 'view" of their surroundings through haptic feedback.
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Virtual Cane is a kind of virtual flashlight or a handheld sonar, capable of recognizing physical objects up to 10 m (39 ft) from the user.
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A team of radiologists and retired US Navy sonar experts have used technology developed for submarines as the basis for a new device which offers quick detection, diagnosis and monitoring of stroke.
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Key Source International (KSI) has developed an auto-locking keyboard that uses sonar to detect when a user physically leaves the keyboard.
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Scientists at the University of Southampton have developed a new kind of underwater sonar device that can outperform standard sonar in detecting objects through bubble clouds.
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The nuclear-powered Astute class is 97m long, weighs 7,800 tons, is coated in 39,000 sonar masking acoustic tiles and doesn't need refueling throughout its expected 25 year service life.
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ScienceA proposed acoustic cloak would use sonic crystal "metamaterials" to bend sound waves, potentially making objects like ships Sonar-invisible.
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