<ul><li>A team at Sandia National Laboratories has developed a chemical sensor that can detect deadly airborne toxins.</li><li>The sensor uses a sponge-like material called a sol-gel to trap chemical substances like sarin gas.</li><li>It operates on very low power and has the potential to last for many years without needing a battery change.</li><li>The team is working on enhancing the sensor's capabilities to detect multiple dangerous chemicals simultaneouly.</li></ul>

This tiny sensor could detect deadly chemicals and last for years

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