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Acoustic Superlens Built From Soda Cans

Posted by timothy on from the sir-these-expense-reports-are-alarming dept.

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."

2 of 59 comments (clear)

  1. Re:Soda cans? by pluther · · Score: 3, Insightful

    Beer doesn't come in cans.

    --
    If the masses can keep you down, you're not the Ubermensch.
  2. Re:Vengence is mine!!! by nospam007 · · Score: 3, 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.