Sam Kean

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Charles Dickens’s belief in spontaneous combustion sparked Victorian London’s hottest debate

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Where International Standard Units Come From, Part Five: The Controversial Kilogram

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Where International Standard Units Come From, Part Four: The Mole

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Where International Standard Units Come From, Part Three: The Candela

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Where International Standard Units Come From, Part Two: The Second

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Where International Standard Units Come From, Part One: The Meter

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