Acoustic Superlens Built From Soda Cans 59
Freddybear writes "Researchers in France have assembled an acoustic superlens from an array of soda cans. The cans act as resonators, and by exciting the array with tailored sound waves, the sound volume can be made to peak in specific volumes less than a few centimeters wide."
Re:Soda cans? (Score:4, Insightful)
Re:Vengence is mine!!! (Score:4, Insightful)
As I read it, you could make the music appear very loud in the neighbor's apartment above you, while barely noticeable in your own.