The noises of jets, traffic and air conditioners—all low-frequency sounds—are the hardest kind to block out. Now, scientists have developed a technique with promise.
WSJ.com: Books, Wall Street Journal: Books
Fri, 05/22/2015 - 10:25am
The noises of jets, traffic and air conditioners—all low-frequency sounds—are the hardest kind to block out. Now, scientists have developed a technique with promise.