It's fascinating to detect the 48 minute periodic rise and fall of a lake. It begins when it starts raining. A lake level sensor (we built) measures to 1/10 of an inch. The live recording is at https://t.co/tdnYjrF3ur
Today's Boston Marathon was so exciting. A surprise was a live band at a residence near to our water table which kept us entertained as we volunteered again this year at the 5.2 mile Framingham water station. The video is taken just as the men's front runners passed.