14 ms·
Oh, I don't know. I know had my school had these when I was in highschool we would have gotten good mileage out of them in several of our school-sponsored scie
by jlgreco 14y ago
Oh, I don't know. I know had my school had these when I was in highschool we would have gotten good mileage out of them in several of our school-sponsored science clubs. Certainly Science Olympiad, and likely our rocketry club as well.