Researchers have developed an innovative helium leak detection sensor that works using sound waves instead of chemical reactions. Built with a special geometric structure known as a Kagome lattice, the device traps sound at its corners and monitors changes in resonance frequency. When helium enters the sensor, it alters the speed of sound inside, allowing the system to quickly detect both the presence and direction of a leak. This durable, low-maintenance technology could significantly improve helium monitoring in critical sectors such as healthcare, semiconductors, aerospace, and scientific research, where helium is essential but scarce.
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