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On July 17th, the US military organization DARPA, which is dedicated to developing bizarre technology products, hopes to use sound to extinguish fire. Yes, there is nothing wrong with this. It may be possible to extinguish the fire when the “Hedong Griffin†is facing the flames of the sea.
The principle is also plausible: the use of powerful sound waves to increase the speed of air flow, the air will therefore become thin, and when the air is thin to the flame's critical value, it will result in the weakening of the flame, which makes it easier to extinguish the fire.
This thing is really in development, and DARPA began in 2008. When you hear the Eastern and Western Griffins, you will surely use one loud voice. When the fire is extinguished, it is estimated that the people around you are also deafening. !
But DAPRA said it doesn't need too loud noise, but researcher Matthew Goldman said: "This is not a new technology. Actually as early as 1900, German physicist Ingri- Rubens tried. The height of the flame can be controlled by the loudspeaker placed in the natural gas pipeline. At that time it was only used for natural gas stoves."
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