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When specifying cooling equipment, engineers are faced with myriad decisions affecting performance and layout. One critical consideration is the noise emitted. As population density rises in major ...

It's no surprise that repeated exposure to loud sounds can damage your hearing. According to the Hearing Health Foundation, sounds below 70dB, the typical volume for a standard conversation, are safe ...

CNET has been testing robot vacuums for decades, but we're always refining our testing procedures. Here's the process we use to evaluate robot vacuums for cleaning, navigation, obstacle avoidance, ...

“We have asked Cobb County authorities to assist us in verifying accurate sound level measurements of our emergency notification system,” said Capt. Patrick Simmons, 94th Airlift Wing public affairs ...