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5 sats \ 0 replies \ @ama 31 Jan \ on: Fun Fact Friday - Best Fun Fact Gets 5,000 CCs meta
You’ve probably heard someone say, “I’ll be back in a jiffy!” Well, a jiffy is a real unit of time. In physics, it represents the time it takes light to travel one centimeter in a vacuum, which is approximately 33.3564 picoseconds.