Browsing: Explain

When Grace Hopper wanted to explain a nanosecond to admirals who kept asking why satellites were slow, she handed each of them a piece of wire 11.8 inches long, the exact distance light travels in a billionth of a second, and told them to keep it in their pocket as a reminder that physics, not laziness, sets the limit.

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Grace Hopper kept a bundle of wires, each one cut to exactly 11.8 inches. She handed them out at lectures,…