Apparently shed cat whiskers are used in X-ray crystallography

Link to the relevant comment because HN re-writes to old.reddit disregarding permalinks:

https://old.reddit.com/r/aww/comments/rrhhdi/my_cat_has_a_wh...

I don't have good feelings about how HN mangles submission content. Wish it could just refuse to submit instead of silently doing this (or indiscriminately removing "How" at the beginning of titles)