Other forms: strobes
A strobe is a light or lamp that flashes regularly and can make moving objects look like they're not moving or like they're moving very slowly. Strobe lights are good for dance parties.
If the object you're looking at using a strobe is moving at the same frequency as the strobe is flashing, the object appears completely motionless. Scientists use strobes to study the way things oscillate, vibrate, or rotate. Nightclubs use strobes to make dancers appear as though they're moving in slow motion, and car mechanics use them to improve a car engine's efficiency by measuring its rotation. The Greek root strobos means "a twisting."
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