The spring-loaded screw could be a cheaper form of soundproofing | New Atlas

Nobody likes hearing their neighbors’ music, TV shows or loud conversations. Soundproof wall materials, however, can be quite thick and expensive. Swedish scientists have developed a thinner, less costly alternative, in the form of a spring-loaded sound-damping screw.

Known as the Revolutionary Sound Absorbing Screw (or the Sound Screw for short), the device was created by a team at Malmö University, led by senior lecturer Håkan Wernersson. It consists of a threaded section at the bottom, a coil spring in the middle, and a section with a flat head at the top.

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