Posted September 15th, 2014 @ 07:24am by Erik J. Barzeski
Each are relatively easily explained. The coolest ones, though, are the the ones with water at the freezing point… And it's easier to get water at that point than you may think: it stays 32° until it all turns to ice.
I did notice too how the "screen/toothpicks" one, the top of the jar is out of the bottom of the frame. 🙂