Today I learned that scientists blow up 100 tons of TNT in the middle of nowhere not just for the fun of it, but to listen to the blast. The Comprehensive Nuclear‑Test‑Ban Treaty Organization sets microphones thousands of miles away to listen to low frequency waves produced by these TNT explosions.
via Gizmodo http://ift.tt/1qRUfDA http://ift.tt/1pX2bBC
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