The compass—oldest known navigating instrument—has been revolutionized. Last week Bendix Aviation Corp. announced a new automatic compass that makes the old magnetic needle* look as obsolete as a ...

Chief meteorologist Mark Dixon checks out the impact of gears on speed and torque in Sept. 14's Science Sunday.

The invention of an improved ship’s compass, of the earth-inductor type, was announced by the U. S. Bureau of Standards. It is said to possess many advantages over the usual magnetic type of ship’s ...