Ancient civilizations used ultrasound to melt rocks

Ancient civilizations used ultrasound to melt rocks

Ancient civilizations used ultrasound to melt rocks; Original article by Alessandro Brizzi. In many ancient megalithic sites, we see evidence that ancient civilizations knew how to melt and fix rocks to fit their complex construction patterns. We often think that these complex rock buildings were built using alien technologies, but if we look at these […]

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