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Image: Grace Murray Hopper visualizing nanoseconds

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Grace_Murray_Hopper_visualizing_nanoseconds.png(800 × 596 pixels, file size: 876 KB, MIME type: image/png)

Description: Grace Hopper's nanoseconds are pieces of wire that represent the distance an electrical signal travels in a nanosecond—a billionth of a second. In her later years, Hopper lectured widely and distributed thousands of nanoseconds to her listeners.
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