I’ve been out of town for a week, which means among other things that I did a lot of reading on the plane, and in the airport waiting, and at other moments.Without actually planning this, I ended up reading three books set in the late 1800’s. The Mysterious Case of Rudolf Diesel by Douglas Brunt [...]
Category: water
Friday fun — rocks, crops, pumps
Oh! Golly it’s Friday. I was totally immersed in research. Well, so here are my studies for the day. First, continuing my thoughts on meteorites, I discovered that there is a quarry in Sweden where meteorites, that fell hundreds of millions of years ago are preserved in the limestone. We aren’t talking big stuff, but [...]
Making bottle caps fly
When I visit my grandchildren I like to bring activities that I think will amuse them. One of the things I brought last summer was clear old-fashioned film canisters and some AlkaSeltzer tablets. We take a glass of water outside and sit on the steps. Add water to the canister, drop in a half tablet [...]
Water on the moon
There is a longstanding argument about water on the moon. Does it exist? Hence, if the Chinese say that their lander has found water there (and they do), that's a big deal. If this is tl:dr skip down to the *** In fact there is a longstanding argument about exactly where the water on earth [...]