▲ 一名东大生藉由数学的“三角定位”原理,成功找回遗失的耳机。(示意图/photoAC)
学数学也有妙用!近年来不少民众都拥有蓝牙耳机,虽然体积小很方便携带,却也容易不小心弄丢。就有一名日本东京大学的学生,意外遗失了其中一支,最后竟藉着高中数学的“三角测量”,在10分钟内推算出耳机位置,让网友忍不住惊呼,“根本是GPS”。
综合日媒报导,日本东京大学一名理科一年级学生,最近在学校里弄丢了耳机,当时他冷静下来重回现场,在遗失地点附近绕了绕,找到3个蓝牙在接收与断线间的接点。
很快地,男大生利用三角定位“三角形外心的性质”的原理,将3个点连成三角形,在大约10分钟内就成功找回耳机。
事发过后,该名男大生也提到,平时常常会思考数学,且实际能将数学应用在生活中的状况不胜枚举,数学其实就潜藏在日常里,重点在于吸收知识过后,能不能学以致用。
对此,网友们也纷纷感叹道,“这就是学数学的意义”、“义务教育的胜利”、“根本是GPS”、“这是人类睿智的胜利”、“谁再说数学没用”、“公园抓宝的阿柏也都会用三角定位唷”。
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