vol.067：The Slide Rule：That Built Modern Science
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vol.067：The Slide Rule：That Built Modern Science
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In the early 17th century, the scientific revolution created an urgent need for faster, more accurate calculation methods in fields like astronomy and navigation. Building upon the invention of logarithms and early measurement scales, mathematician William Oughtred developed the slide rule around 1622 by sliding two logarithmic scales against each other. His innovations included both circular and linear designs, which allowed users to perform complex multiplication, division, and trigonometric functions without the need for additional tools like compasses. Although these mechanical devices were essential for engineering marvels like the Apollo moon landing, they were eventually rendered obsolete by the rise of electronic pocket calculators in the 1970s. Today, the slide rule remains a significant cultural and historical symbol of human intellectual achievement and technical precision.