Using an array of 2500 flames, a Masters student in Denmark has created a stunning way to visualise sound. Although we can’t see sound — at least not without some help — it’s still a physical ...
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Firefighters show off amazing new way to extinguish flames — by blasting them with sound, not water
The sound you can’t hear might just save your house. It sounds like something out of a sci-fi blockbuster, but firefighters in California are firing up a fascinating new way to fight flames — with ...
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