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How It Works

LiDAR

Light Detection and Ranging: a sensor that fires laser pulses and times their reflections to build a 3D map of its surroundings. Self-driving cars, robots, drones and some phones use it to measure distance precisely, including in the dark.

Origin · no single documented coiner

The technique dates to the early 1960s, soon after the laser was invented; the name was formed on the model of “radar.” It has no single coiner.

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