Fluorine - Periodic Table of Videos on HackerTube: recommended by 4 Hacker News commenters across 3 separate months, 2015–2021.
demo · evergreen
Periodic Videos visits a fluorine expert to show how reactive the element is in action. It also includes a discussion of fluoride and tooth enamel.
Recommended in fluoride and fluorine threads as a short, fun demonstration of how nasty fluorine is.
“tooth chat at 5:10, but the whole video is interesting”
4 Hacker News comments link this video. Each one links back to its thread.
Just out of interest, and not detracting from what you're saying, but normal fluoride also forms a compound (flouro-apetite) more resistant to avoid than normal tooth material (appetite). At least according to this chemist: ▶ this video (tooth chat at 5:10, but the whole video is interesting)
in “Trials begin on lozenge that rebuilds tooth enamel” · View on HN
Every time I hear anything about Flourine, I’m reminded of “Sand Won’t Save You This Time” [link] I also suggest watching the Periodic Table of Videos episode on Flourine: ▶ this video
in “Hydrofluoric Acid: An Invisible Fire (1996)” · View on HN
This is a good little interesting video on fluorine here (previously linked by someone else), and the ending is the best description of tin fluoride for teeth I've ever seen -- well worth the ~6min ▶ this video (edit: added link)
in “Hydrofluoric Acid: An Invisible Fire (1996)” · View on HN
An educational video from Univ. of Nottingham, if you don't know how nasty (and fun) Fluorine is: ▶ this video (and they explain the tooth enamel theory towards the end as well).
in “Water Fluoridation May Not Prevent Cavities, Scientific Review Shows” · View on HN