Fraunhofer Institute Developing Noise Cancelling Windows
Thilo Bein and a team of engineers at the Fraunhofer Institute for Structural Durability and System Reliability have developed noise canceling windows. Windows transfer noise because they vibrate like a speaker cone, by controlling the vibration, Bein and pals have been able to reduce sounds at 90-100 decibels by about 50% percent. Bein used small patches made of a ceramic piezoelectric compound, which senses “incoming...
Sales Of Hip-Hop Decline 21% – Industry Takes A Good Look At Itself
After 30 years of growing popularity, Rap music has finally hit its tipping point. Though music sales are down overall, Rap sales have declined 21 percent from 2005 to 2006, and for the first time in 12 years, no Hip-Hop album was among the top 10 sellers of the year. Many have forecasted the death of Hip-Hop over the years, but it appears that the umpteenth drug-dealing anthem, chest-pounding boast, gun-play recount or soft-core,...
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