Seven Elements That Have Changed the World Quotes

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Seven Elements That Have Changed the World: An Adventure of Ingenuity and Discovery Seven Elements That Have Changed the World: An Adventure of Ingenuity and Discovery by John Browne
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“Newton divided the spectrum into seven colours: red, orange, yellow, green, blue, indigo, violet – the choice of seven to accord with the seven notes of the diatonic music scale and the seven heavenly spheres.”
John Browne, Seven Elements That Changed the World: An Adventure of Ingenuity and Discovery