YouTuber attempts 'Bart Simpson megaphone challenge'

By Ben Hooper Contact the Author   |  April 21, 2017 at 5:40 PM
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April 21 (UPI) -- A science YouTuber inspired by a classic episode of The Simpsons set up 10 megaphones end-to-end to see how loud a noise he could make.

The video, posted to YouTube by TheBackyardScientist, features Kevin Kohler explaining he was inspired by Bart Simpson's prank in the season 8 Simpsons episode The Secret War of Lisa Simpson to place 10 megaphones end-to-end and test the results.

Bart's experiment led to a shock wave that shattered all of the windows in town -- as well as Homer's fridge full of beer -- but Kohler quickly ran into a problem Bart didn't face: a feedback loop.

Kohler spent some time arranging the megaphones to minimize the feedback, which remained audible, and then attempted to shout into the first megaphone.

The result was a sound that wasn't much louder than the test with only one megaphone, but was "a lot more distorted."

Kohler explained the power supplies inside the megaphones likely were not strong enough to amplify sound much more than a single megaphone.

Not content with the disappointing lack of volume, Kohler and his assistant set up the megaphones in a circle to create an ear-splitting "literal feedback loop."

The feedback loop measured 16 times louder than a vacuum cleaner.

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