News tagged with decibels

The science of stadium sound

Football fans attending BYU home games the last two seasons may have noticed a few students roving through the crowd, giving their full attention to hand-held scientific instruments instead of the game.

dateSep 04, 2013 in General Physics
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The Bloodhound SSC: Faster than a speeding bullet

Twenty-nine years ago today, Richard Noble in Thrust2 broke the land speed record for Britain at 633.468 mph in October 1983. That day saw the start of my love affair with the land speed record. Again in September 1997 Richard ...

dateOct 05, 2012 in Engineering
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Tiny water boatman is a champion singer

(PhysOrg.com) -- Researchers studying the lesser water boatman have discovered that adjusting for size, M. scholtzi, a tiny freshwater bug, is the apparent world champion at producing the loudest noise. At only 2.3mm (about ...

dateJun 20, 2011 in Plants & Animals report
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Voice-based phone recharging

(PhysOrg.com) -- The noise that we produce can be a lot of things. It can be a valid means of communication. It can be an annoyance when you are trying to get to bed at night. It can be a migraine waiting to happen, and depending ...

dateMay 10, 2011 in Hi Tech & Innovation weblog
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Traffic noise increases the risk of having a stroke

Exposure to noise from road traffic can increase the risk of stroke, particularly in those aged 65 years and over, according to a study published online today (Wednesday 26 January) in the European Heart Journal.

dateJan 26, 2011 in Health
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