Swimming and sinking, what pre-industrial means, and being a flexpert
I have had these two words on my mind over the last couple of days: “flexpert” and “pre-industrial”. Some thoughts about them here…
Tag: sink or swim
On buoyancy
This is an experiment that Martin brought to Ratzeburg and that he let me use on my blog: Using a beam balance to talk about buoyancy. So at first we…
Sink or swim – experiments using tin foil
A pet peeve of mine are books on handcrafts or experiments or any kind of activity that come with drawings instead of pictures, because I always suspect that it was…