When he was a schoolboy he was nicknamed Volt because his initials, AC, are an abbreviation for the electrical term "alternating current".

Moments later, Mara placed his left knee on a foam pad, commencing a series of alternating arm stretches.

Add dry ingredients to sugar mixture a little at a time, alternating with milk until all is incorporated.

The running backs were expected to be a potent 1-2 punch, but injuries have reduced them to an alternating, tag-team tandem.

When the researchers apply an alternating electric field, the pendulum-like sensors swing back and forth -- flinging off proteins within a mere minute and catching others.