Pinholes and Plastic Wrap Make Solid Walls "Transparent" To Sound 127
First time accepted submitter benonemusic writes "Researchers have devised a means of making sound transmit easily through rigid surfaces, including walls. The process relies on creating small holes on a wall, and covering them on one side with a thin covering made from plastic wrap."
Why would you do this (Score:5, Insightful)
I thought we were trying to figure out how to keep sound from coming through the wall, not help it!
Let's see them patent the drum all over again (Score:5, Insightful)
Ok, build a bunch of drum heads into a wall and notice they act just like, well, drum heads.
Brilliant. An acoustic diaphragm. [wikipedia.org]
Can't think of a single use for this other than eves dropping where no electronics were allowed.
So if you pit a hole in a wall.... (Score:2, Insightful)
The sound goes through. Oh this is such a break through! No one ever thought of this! No one would ever think that a hole might alter the optical properties as well? Well it does! You can see through a wall with holes in it! It's amazing!