This Curtain is Super-Effective at Blocking Out Sounds (But Not Light)

What resembles a gauzy curtain—or a shower curtain, even—is actually a high-tech fabric that blocks out sound like nothing else before. Developed by the Swiss, the fabric is five times more effective at absorbing sounds than normal curtains, though I'm not so sure it blocks out the light as well. » 5/05/11 1:00pm 5/05/11 1:00pm