涂鸦决非走神,它有一个重要用途,你可以加以利用。纳德.里根经常在页边空白处画满简单勾勒的牛仔,诗人约翰.济慈则喜欢画花儿。数学家斯塔尼斯拉夫.乌拉姆的涂鸦更具影响力。1963年,他在一次会议上听乏味的发言时,草草记下一连串数字,将它们排列成螺旋状。他意识到,这是一种将质数的分布直观化的绝妙方式,可以揭示质数分布的令人意想不到的规律。如今,他那草草写下的东罗 Graffiti is by no means a god, it has an important use that you can take advantage of. Nader Reagan often painted a simple outline of the cowboy in the margins, the poet John Keats likes to draw flowers. Mathematician Stanislav Ulam’s graffiti is even more influential. In 1963, when he listened to a boring speech at a conference, he wrote down a series of numbers and arranged them in a spiral. He realized that this was a wonderful way of visualizing the distribution of prime numbers and revealed the unexpected law of the distribution of prime numbers. Today, he rushed to write the East Luo