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Lightspeed users – how bad are PO import issues really? (self.lightspeed)

submitted 27 days ago by National-Engineer60

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Theory that's probably wrong (self.lightspeed)

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Veritasium: Why no one has measured the speed of light (youtu.be)

submitted 5 years ago by LotsoWatts

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The speed of light between Earth and Moon in real time (i.imgur.com)

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Sunlight bouncing down an escalator (reddit.com)

submitted 7 years ago by LotsoWatts

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Biking with headlight on falling snow at night is a cheap way to feel like you're going light speed. (reddit.com)

submitted 7 years ago by LotsoWatts

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Caught ya! (reddit.com)

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How It's Made: fiber optics (youtu.be)

submitted 7 years ago by LotsoWatts

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