Shout it out! Nah, not that easy. But sound waves can put out a flame -- see Engineering Students Extinguish Fire Using Bass Sound.
When the project started, the duo thought that high-pitched tones would do the trick, however, soon realized that they were wrong. Tran said, “It’s low-frequency sounds — like the thump-thump bass in hip-hop that works.”
Who would have thought the hip-hop sound was good for something? So if a car catches fire, tune in and crank up the volume.
Their device looks a little like a backpack blower. It would be marvelous if the technology could be applicable on a wildfire like the ones that plague west Texas.
Watch it in action in this Youtube video.
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