A case in point is a rather mysterious-looking clockwork device that has been in the collection for decades. Consisting of a box-like brass framework mounted on a wooden platform and filled with ...

We've seen some far-out personal astronomy devices, but this mechanical "planetarium" from Richard Mille is also one of the most intricate pieces of clockwork we've ever come across. The model, which ...

Signaling timers, which range from old-fashioned windup units to new- breed electronic models, can tell you when to take the roast out of the oven or parole a kid from trumpet practice. Cycling timers ...

In this essay "entrainment" as it occurs in early physics research, provides a conceptualization for viewing staff development models. Richard Ponzio is an assistant professor in the Education ...