What Makes Satisfying Videos Satisfying?

You might have stumbled onto those videos of people cutting sand for 10 minutes or of machines doing a repetitive task and felt an odd sense of satisfaction while watching them. Today, we look at the psychology behind those "oddly satisfying" videos.

Kneading Silicone:    • Silicon coloring  
Cheese Slicing:    • Видео  

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Sources:
http://eweaver.myweb.usf.edu/2002-Flo...
https://hbr.org/2016/03/your-desire-t...
http://blogs.discovermagazine.com/cru...
http://codeblab.com/wp-content/upload...
http://users.wfu.edu/masicaej/Masicam...
https://www.researchgate.net/profile/...
http://www.diva-portal.org/smash/get/...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://link.springer.com/article/10....

Images:
https://commons.wikimedia.org/wiki/Fi...