Weekend Wonderings: Thickening a liquid soap with Crothix, a new surfactant thickener, solubility of allantoin, heating shrink bands,

The summer semester is over, and it’s time to start studying for my mid-month final exam. I have two weeks of holiday time at the end of the month, and for at least one of those weeks, I’m planning to putter around the house and play in the workshop! I’m running out of everything again,…