
How do we measure the speed of light?
Daniel and Kelly’s Extraordinary Universe
00:00
The Maximum Speed Limit of the Universe
"It's a huge clue that's telling you something really deep about the nature of space and time itself," he says. "I've tried so many times as a kid to get particles to go faster than the speed of light, but i didn't get anywhere near it." He adds: "i don't know whats true any more than they're all true. T just depends on the units"
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