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The 1974 suspense thriller smartly predicted the increasing importance of technology and lack of privacy in our lives......"Produced between The Godfather and The Godfather Part II, The Conversation was the only film that Coppola made in that peerless decade (which he ended with Apocalypse Now) that he scripted alone, without...

We’ll eventually understand how these sounds are created and how they get to your ears, but we have to start by talking about the medium that is most commonly associated with sound – air.

Sound waves, like an invisible pair of tweezers, can be used to levitate small objects in the air. Although DIY acoustic levitation kits are readily available online, the technology has important applications in both research and industry, including the manipulation of delicate materials like biological cells....