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The technique of ultrasonic leak detection through sensors mounted on the skin of a spacecraft or space station sounds good until the structures being monitored become more complex than a single sheet of aluminum. Then, resolving ambiguities from reflections and localizing the exact point of leakage may become difficult. Perhaps a portable device, with four […]
- Tech
Leak Locator: Ultrasound for finding holes in spacecraft
Researchers have devised a way to pinpoint leaks in spacecraft by listening to ultrasound waves traveling through the ship's hull.
- Earth
Breeding Parasites Along with Fish: Do sea lice from salmon farms spread far?
Marine parasites known as sea lice spread readily from farmed salmon to passing wild fish, according to a controversial study conducted in British Columbia.
