This is one of my favorite demos. Easy to do and doesn't really require any equipment. The basic idea is that you support a meter stick horizontally with two fingers. Slide your fingers in and they ...

Equipment: A meter stick, a 200 gram weight, a plexiglas cylinder and a cork covered piece of wood. Optional: an 8 foot length of 2" x 2" and a 1 kg weight. What it does: A meter stick is supported on ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The Stanley Rule and Level Company ...