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Held Up by Robots

When you’re late for something in Johannesburg, you can always say you were “held up by robots” and no one will think twice. That’s because in South Africa, a robot is a traffic light. The hosts discuss this and other terms...

wig-wag

wig-wag n. a rapidly alternating or strobing warning light. Also attributive. Editorial Note: Often plural, since the lights are rarely used singly. Semaphore flags have long been called “wig-wags” in the Navy, Marines, and other...

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