“In general, sounds are caused not by the end of the world but by fluctuations in air pressure.” Krakatoa, man. <a href="http://nautil.us/issue/38/noise/the-sound-so-loud-that-it-circled-the-earth-four-times">http://nautil.us/issue/38/noise/the-sound-so-loud-that-it-circled-the-earth-four-times</a>

Eric Wagoner

@ewagoner