In extreme cases, sonic weapons can cause nausea, dizziness, and even permanent damage. In this case, officials used it to ...

With loudspeakers, an important parameter is the frequency at which their cones resonate. This clever Arduino-based tester ...

Tories to scrap ban on petrol cars Two men arrested after village Christmas tree cut down The army's armour problem explained Zoe Ball to leave role as presenter of her BBC Radio 2 show What is 'dry ...

Staten Island: It was a school day afternoon, June 26, 1963. I sort of remember hearing it on the radio (the Mets didn’t televise midweek day games). It’s fixed in my brain. Must have been a great Bob ...

The Banish 12 is the first truly new shotgun suppressor introduced in recent years, and it has a few things going for it. At just over a pound and 8.5 inches long, it’s lighter and more compact than ...

Seamless integration of Arduino App Lab with the Edge Impulse platform also helps streamline and accelerate the process of building, fine-tuning, and optimizing AI models using real-world data for a ...

Workers must wear hearing protection when exposed to loud sounds, including earmuffs and earplugs. Find out when and how to select this equipment based on the task at hand. Conduct noise level ...

AI-generated summary reviewed by our newsroom. Read our AI Policy. Raleigh proposes revised noise ordinance reinstating decibel limits citywide. New ordinance creates three zone-based rules, sets dB(A ...