Theo Gray, element collector and many other things, constructed a table with a hand-carved wooden tile for every element in Mendeleev's periodic table. Each tile hides a sample of the element inside the table. It's a beautiful piece of work, and I love how it shows that there are real, physical, interesting things behind that perfectly boring grid full of letters I was presented with in high school and forgot as quickly as I could possibly manage. Maybe I'd have tried harder to take an interest in chemistry if the periodic table had been presented as this intricate ordering of actual materials that look and feel absolutely fascinating. Most of the video is Gray showing off his collection of element samples, and oh, I wish I was in that room right now and could touch all that stuff. (New thing learned today: tungsten is an incredibly heavy element, and one actual use of tungsten powder is sprinkling it on wax in dog's ears so the ears will lie flat.)
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