What we know of matter

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Ubud, Bali, Indonesia

“For now, this is what we know of matter: A handful of types of elementary particles, which vibrate and fluctuate constantly between existence and non-existence and swarm in space even when it seems that there is nothing there, combine together to infinity like the letters of a cosmic alphabet to tell the immense history of galaxies, of the innumerable stars, of sunlight, of mountains, woods and fields of grain, of the smiling faces of the young at parties, and of the night sky studded with stars.” (from “Seven Brief Lessons on Physics” by Carlo Rovelli)

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