A bit more reflection on cartesian divers. When I wrote the two previous posts, I had known cartesian divers for a very long time in many contexts, for example as something that is routinely used in primary school teaching. While I was aware that developing a correct physical description of such a diver is challenging, […]
Using orange peel as cartesian divers. Guess what my mom told me when we were playing with cartesian divers the other day? That orange peel works really well as a cartesian diver! Who would have thought? And just because we like playing we tried both orange peel and tangerine peel. Watch! Funnily enough, they behave […]
Compressibility of water and air. Today I want to talk about the different compressibilities of water and air. Actually, no, I just want to show you an experiment. One way to visualize that air is a whole lot more compressible than water is to look at cartesian divers. You probably know the fancy ones as […]
