HydrogenAudio

Misc. => Off-Topic => Topic started by: 2tec on 2020-03-05 15:19:54

Title: Physicists Successfully Levitate Large Objects With Sound Waves
Post by: 2tec on 2020-03-05 15:19:54
Quote
Researchers from Brazil and the UK have been able to levitate a 50-mm (2-in) solid polystyrene sphere using acoustic waves. These waves have been used before to levitate objects. However, they did have a threshold. The objects’ size, at most, was a quarter of the wavelength of an acoustic wave. This is also the first spherical object levitated acoustically; the earlier objects were wire-like or planar in shape. For the types of waves the researchers are using, ultrasound waves with a frequency above 20 kHz, the maximum size should be at 4mm.
~ https://futurism.com/physicists-successfully-levitate-large-objects-with-sound-waves (https://futurism.com/physicists-successfully-levitate-large-objects-with-sound-waves)
Title: Re: Physicists Successfully Levitate Large Objects With Sound Waves
Post by: kode54 on 2020-03-06 01:15:57
Cool, but I don't see this being terribly useful for moving anything delicate, or living.
Title: Re: Physicists Successfully Levitate Large Objects With Sound Waves
Post by: Techcheck767 on 2020-03-09 09:29:51
Wonder if it's possible with any material object or if it's only certain kinds. Pretty interesting regardless.
Title: Re: Physicists Successfully Levitate Large Objects With Sound Waves
Post by: TommiTomTom on 2020-05-10 08:29:56
Interesting post. Thanks for sharing!
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