Abstract: This paper presents improved compound micro perforated panel (MPP) sound absorber architectures with broader absorption frequency bands compared with single MPP absorber. The absorber is ...

If something catastrophic were to happen tomorrow in the world, would you be happy to remain in your present home or would you rather find shelter somewhere else? Sure, there’s no place like home, but ...

"They are amazing up close." Homeowner thrilled after discovering unique creature visiting backyard garden: 'Finally got some photo evidence' first appeared on The Cool Down.

An airplane takes off from Reagan National Airport (staff photo by Jay Westcott) A decision to keep noise-mitigation efforts at Reagan National Airport in-house, rather than outsource them to ...

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Several teenage girls were charged with assault and kidnapping after allegedly holding a 13-year-old boy in a sound proof room at the Kalama Intermediate School campus in Makawao on Friday afternoon.