The Mechanics of Earth's Spin Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes and 4 seconds with respect to other distant stars. Scientists call this ...

Q. Every year about this time ther question comes up as to which direction ceiling fans should rotate. For the winter season some say clockwise, others counterclockwise, and then in the summer you ...

In the beginning — 1976, in this case — David DeLorme created the Maine Atlas and Gazetteer, the indispensable book of maps Mainers still rely on for getting around in the absence of cell service.

Floating globes use magnetism to keep them afloat. For some globes, there’s a C-shaped apparatus that holds two different magnets — one above or below the globe and one inside the globe. The magnet ...