单词：homogeneity of spacetime
时空均匀性
单词：homogeneity of spacetime 相关文章
DAVID GREENE, HOST: We knew there were political divisions in this country between urban and rural areas, but last year's election showed us just how stark those differences are. And one trend we're following - people of similar political stripes are
发表于:2019-01-16 / 阅读(96) / 评论(0)
2017年NPR美国国家公共电台2月
2017年NPR美国国家公共电台2月
The most challenging and nonintuitive of all the concepts in the general theory of relativity is the idea that time is part of space. Our instinct is to regard time as eternal, absolute, immutablenothing can disturb its steady tick. In fact, accordin
发表于:2019-02-17 / 阅读(90) / 评论(0)
万物简史
万物简史