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For the first time, researchers were able to transmit, or "tunnel," sound waves across extremely small distances between two crystals in a vacuum. When you purchase through links on our site, we may ...

🛍️ The 121 best Amazon Black Friday tech and gadget deals 🛍️ By Brooke Borel Published Mar 19, 2009 6:28 PM EDT Get the Popular Science daily newsletter💡 ...

Some readers will no doubt remember attaching a playing card to the front fork of their bicycle so that the spokes flapped the card as the wheel rotated. It was supposed to sound like a motorcycle, ...