Sound absorbing wallpaper (Sonic Wallpaper)

Reading the available blurb, the science is solid. Resonant small membranes each removing energy at specific frequencies and acting together to act at lower frequencies do sound interesting and if they really can create a panel containing thousands, possibly hundreds of thousands of individual absorbers, then they'll beat any other material we currently use. The snag seems to be that the individual scales need to be resonant and that is linked to frequency - so the lower, the bigger. Time will tell. Can't find a patent yet, though?
 
spantini said:
They're saying it's 10X more effective than anything currently available.]
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I don't see how they are doing it - it's not like there are miracle cures that haven't been discovered - most things are known - application is what's new - I still don't see it working out.
 
It doesn't sound at all far fetched. Current stealth planes use a special paint that absorbs the RF from radar, and the resonance turns the RF into heat rather than reflecting it. It sounds like the moths wings do a similar thing. The question will be how much damping/absorption can be done and how thick can you make it. Will 1/8" be roughly equal to 1/2" MLV or 4" of rockwool?
 
Hey, thanks for sharing your thoughts on sound absorbing wallpaper! It'll be interesting to see how it performs in real-world applications, especially considering the scalability and effectiveness at lower frequencies. On a different note, have you checked out One Piece Wallpapers? It's a great resource for finding high-quality wallpapers, including live-action versions. Even if you're diving into the world of sound technology, adding a fresh wallpaper to your devices can be a fun way to switch things up. Feel free to reach out if you have any questions about the sound-absorbing wallpaper or if you need more info on the wallpapers.
 
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The key phrase is "currently developing". They haven't done it yet.

If they can come up with something, it would be awesome.
 
Farview said:
The key phrase is "currently developing". They haven't done it yet.

If they can come up with something, it would be awesome.
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While that may be the key phrase, the biggest indicator of snake oil is no numbers. Also they don't mention that bat echolocation frequencies start at about 11k. Apples to oranges comparison much? There has been more than a few of these "miracle" materials "discovered" over the last decade or so. Where are the products? Could the problem be physics?
 
Part of the development process is to understand how something really works, then you can try to design around those parameters. Otherwise you're just throwing stuff at the wall and seeing what sticks.

If they can somehow mimic the effect of the scales of a moth's wings, it could be a game changer. There will be other things to overcome, though. How robust will it be? It won't be any good if you destroy the effectiveness by brushing up against it. It's a bit like EVs. Yes, you can design a electric vehicle pretty easily. They did that over 100 years ago with big heavy lead acid batteries, but doing one that is practical and reliable took a lot more work.

Sometimes the failure isn't due to the underlying technology, but to the ability to make a commercially viable product.
 
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