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Science

Acoustic Superlens Built From Soda Cans 59

Posted by timothy
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."
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Acoustic Superlens Built From Soda Cans

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The Tao is like a glob pattern: used but never used up. It is like the extern void: filled with infinite possibilities.

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