Comment Build an ECG meter (Score 2, Interesting) 249
Build an electrocardiogram. The students get to learn some electronics, some programming, some data analysis, and some biology.
Comment Belonngs to a museum (Score 5, Insightful) 151
Perhaps, some philantrophist can buy this piece of history to donate to a museum? Such pieces of history deserve more exposure than in the home of a private collector.
