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From: Jeroen Belleman <jeroen@nospam.please>
Newsgroups: sci.electronics.design
Subject: Re: Strings that can vibrate forever (almost)
Date: Thu, 23 May 2024 11:04:02 +0200
Organization: A noiseless patient Spider
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On 5/23/24 07:08, Jan Panteltje wrote:
> Strings that can vibrate forever (kind of)
>    https://www.sciencedaily.com/releases/2024/05/240522130402.htm
> Source:
>   Delft University of Technology
> Summary:
>   Researchers have engineered string-like resonators capable of vibrating longer at ambient temperature
>   than any previously known solid-state object -- approaching what is currently only achievable near absolute zero temperatures.
>   Their study pushes the edge of nanotechnology and machine learning to make some of the world's most sensitive mechanical sensors.
> 
> Interesting for inertial navigation!
> 
> Mechanical 214 kHz resonator with a Q of 6.6 billion at room temperature
>   see paper:
>    https://www.nature.com/articles/s41467-024-48183-7
>     figure 4
>    

Interesting, indeed, but this looks *very* fragile!

Jeroen Belleman