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What's The Loudest Possible Sound?

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 Physics   |   Science
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It’s definitely higher than “11”
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↓ More info and sources below ↓

What is the loudest possible sound? What about the quietest thing we can hear? And what do decibels measure, anyway? In this video you’ll learn what makes sound

The loudest sound on Earth (the we know of anyway), great story by Aatish Bhatia: http://nautil.us/blog/the-sound-so-loud-that-it-circled-the-earth-four-times

Video of the Papua New Guinea volcano eruption from YouTuber bacobjee: https://www.youtube.com/watch?v=BUREX8aFbMs

Calculation of the shock wave from teleportation: http://www.quora.com/Teleportation/If-you-were-to-disappear-suddenly-how-loud-would-be-the-noise-of-the-air-filling-up-the-vacuum-youve-left

The sometimes-painful effects of different sound pressure levels: http://www.makeitlouder.com/Decibel%20Level%20Chart.txt

How loud are rocket launches? http://testtube.com/dnews/how-loud-are-space-shuttle-launches/

NASA’s sound suppression water system: https://www.youtube.com/watch?v=9LehY5avJUM

Can a sound be loud enough to kill you? http://www.straightdope.com/columns/read/2298/can-a-noise-be-loud-enough-to-kill-you

Have an idea for an episode or an amazing science question you want answered? Leave a comment below!
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It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D.
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Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios

Joe Hanson - Creator/Host/Writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen Inc.
Kate Eads - Associate Producer
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Katie Graham - Director of Photography
John Knudsen - Gaffer

Theme music:
“Ouroboros” by Kevin MacLeod

Other music via APM
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Last week’s video:
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