世界数据的数量级又增加新词来描述 episode artwork

EPISODE · Dec 8, 2022 · 1 MIN

世界数据的数量级又增加新词来描述

from 伊人耳朵SPA/一分钟耳朵SPA

到2030年代,世界每年将产生大约1尧字节(yottabyte)的数据——也就是1024字节。打个比方,如果将这些数据都刻到DVD上,则可以堆起来一直延伸到火星。面对数据量的暴增,公制系统的制定者一致同意引入新的前缀来描述极大和极小的数字。前缀ronna和quetta代表1027和1030,而ronto和quecto则代表10-27和10-30。地球的重量约为1 ronnagram,而电子的质量大约为1 quectogram。计量学家Olivier Pellegrino表示,ronna和quetta现在听起来可能很奇怪,但是giga(吉)和tetra(太)曾经也让人觉得陌生。这是自1991年以来首次更新该前缀系统,1991年曾添加了zetta(泽,1021),zepto(仄,10-21)、yotta(尧,1024)和yocto(幺,10-24)。

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世界数据的数量级又增加新词来描述

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