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The original was posted on /r/todayilearned by /u/spark8000 on 2025-08-17 20:39:40+00:00.

Original Title: TIL in 1930, Helen Adelaide Shelby patented a device for a skeleton in a dark room shrouded with ominous lighting, red lightbulbs for eyes, and a megaphone and film camera in its skull. The goal was to use it to question culprits and induce a supernatural experience that would urge them to confess