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Previously: [0](167 points, 1 day ago, 169 comments)

[0]: https://news.ycombinator.com/item?id=39978653

I missed this! Sorry for crowding the feed with the offshoot.
"Researchers believe the shredder results may be related to the phenomenon of 'backward magical contagion,' which is the belief that actions taken on an object associated with a person can affect the individuals themselves. In this case, getting rid of the negative physical entity, the piece of paper, causes the original emotion to also disappear."