Scientists believe they understand why the inner core may rotate at a different rate.

A directional signal rotates like a lighthouse at a fixed rate.

In our physical world, molecules rotate at a very slow rate of speed.

Stretch is achieved by rotating the load at a faster rate than the film is fed.

The bar rotates at a rate of one revolution every 15 minutes.

Therefore, it rotated, at a pretty good rate, enough to give one-third gee at the rim, where everybody sat.

These neighboring rings will rotate at a different rate and direction as the selected ring.

It has a diameter of six meters, and rotates at a rate of about 8.5 revolutions per minute.

It is rotating at a leisurely rate, with a period of around 434 days.

Summit remains the only revolving room in Ottawa, rotating at a rate of approximately one revolution per two hours.