Here is a YouTube video that plays out the recording, done on a phonograph (an early record player) in 1878, a machine invented by Thomas Edison.
An article by Rebecca J. Losen of The Atlantic explains the process by which the scientists were able to bring the long-forgotten sounds back after over a century in detail.
Basically, the team at Lawrence Berkely National Laboratory made a 3D layout of the particular piece of phonograph foil in question, and used math equations worthy of thousands of “WTF” tags to figure out how a phonograph needle would’ve gone over it and what the sounds would’ve been.
The result, some hauntingly cool noises and another notch in science’s belt.
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