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That’s a lot of screaming.
The Declaration • October 23, 2018 • https://thedeclarationatcoloniahigh.com/32101/fun-factofthe-day/if-you-kept-yelling-for-8-years-7-months-and-6-days-you-would-produce-enough-sound-energy-to-heat-up-a-cup-of-tea/
If you kept yelling for 8 years, 7 months and 6 days, you would produce enough sound energy to heat up a cup of tea.