Links for February 2023
Meet Kevin Moeller, scientific glassblower
Why I am not an effective altruist Morality is not a market by Erik Hoel
Fifth Sun: A New History of the Aztecs by Camilla Townsend
Tabula Muris Senis. This project is a comprehensive analysis of the aging dynamics across the mouse lifespan.
Tabula Muris Senis. This project is a comprehensive analysis of the aging dynamics across the mouse lifespan.
Chemically_strengthened_glass. Replace Na+ with K+ by immersion in hot salt bath. Rubidium can also be used, doesn’t appear to be especially different.
“Heliolite” glass, praseodymium and neodymium in a 1:1 ratio. It has color-changing properties between amber, reddish, and green depending on the light source.
“Alexandrite” glass. “Neodymium glass (also known as Alexandrite glass), changes colour according to different lighting conditions. The glass appears lilac (or sometimes pink) in natural sunlight or yellow artificial light, and smoky blue in fluorescent/white light. This is due to the presence of Neodymium oxide (Nd²O³) in the glass.”, link