Everything You Think You Know About the Dark Ages is Wrong
…Gerbert questioned authority. He experimented. To learn which of two rules best calculated the area of an equilateral triangle, he cut out square inches of parchment and measured the triangle with them. To learn why organ pipes do not behave acoustically like strings, he built models and devised an equation. (A modern physicist who checked his result calls it ingenious, if labor-intensive.) Gerbert made sighting tubes to observe the stars and con…
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