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天文随心听|讲述宇宙与人的故事

好学蜗牛

为你捕捉最新最快的天文前沿信息,你不知道的和你想知道的天文内容都在这里,一起加入天文随心听的大家庭吧,我们一起探索宇宙无穷的奥秘!你也可以关注微信公众号——科学大唠嗑——了解更多信息。

主播简介:好学蜗牛,蜗牛研习社创始人,二手天文学家,多年从事科学普及工作,曾策划并执行了2018年1月31日超级月亮直播并为央视各段新闻提供视频直播信号,网络及电视观看人数近2亿。

联系VX:haoxuewoniu

PublishesDailyEpisodes711Founded7 years ago
Language
Chinese (Simplified)
Number of ListenersCategories
TechnologyAstronomyScience

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Artwork for 天文随心听|讲述宇宙与人的故事

Latest Episodes

标准模型统一了电磁力、弱力、强力三种基本力,精度达到约十亿分之一的量级——人类历史上最精确的物理理论。2012年希格斯玻色子的发现完成了标准模型最后一块拼图。但这个胜利恰恰是统一之路最沉重的墓志铭:精度越高,引力缺席越刺眼。深层原因可能是范畴错误——其他三种力是"住在空间里的东西",引力是"空间本身的形状"。你不能用描述住客的语言去描述房子。这不是技术不够,是范畴不对。也许统一的方向不是"把引力塞进去",而是ER=EPR指向的"发现它们本来就是一个"。本期你会听到:

标准模型的胜利:三种力统一在... more

80年来的四种失败不是同一种错误重复——而是四个方向的排除法。韦尔选错了工具(尺度变化→应为相位变化),卡鲁扎选错了数字(5维→需要10维),爱因斯坦选错了前提(拒绝量子力学),弦论选不出口(10的500次方种紧致化方式,每条都通但选不出我们的宇宙)。但1935年爱因斯坦发表的两篇论文——EPR(量子纠缠)和ER(虫洞)——被他本人认为毫不相干。78年后马尔达西那和萨斯坎德提出ER=EPR:虫洞就是量子纠缠,它们是同一件事。统一也许不是"拼在一起",而是"发现它们本来就是一个"。本期你会听到: more

从1920年代末到1955年去世,爱因斯坦花了将近三十年追逐统一场论。他的方法是把"木头"(物质)变成"大理石"(几何)——试图用纯几何统一所有力。但这个方法有一个前提:不碰量子力学。他尝试了远程平行几何、非对称场论等多种方案,全部失败。第三种走不通:选错前提——量子力学提供了统一其他三种力的框架,他站在门外。但1935年,爱因斯坦发表了看似毫不相干的两篇论文:EPR(量子纠缠)和ER(虫洞)。78年后的2013年,马尔达西那和萨斯坎德提出ER=EPR——虫洞就是量子纠缠,它们是同一件事。追了三... more

1919年,在柯尼斯堡大学任教的数学家卡鲁扎给爱因斯坦寄去一篇论文,提出在四维时空基础上引入第五维度。将爱因斯坦广义相对论方程推广到五维后,电磁力自然从多出来的几何分量中浮现——引力与电磁力被统一在同一个五维框架里。爱因斯坦最初很满意,支持发表了论文,但最终放弃了这条路:第五维无法被实验验证,且只能统一两种力。1926年,瑞典物理学家克莱因回答了"为什么看不到第五维"——它蜷缩成普朗克长度(10⁻³⁵米)的微小圆圈,并用量子力学加固了理论。但卡鲁扎-克莱因理论最终失败:5维只能统一引力和电磁力,... more

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Reviews

4.6 out of 5 stars from 57 ratings
  • 沒聲音

    這幾天的節目都沒聲音

    Apple Podcasts
    5
    王T2121
    Taiwan2 months ago
  • 很容易懂

    特别的有趣,而且也特别的好,很容易懂

    Apple Podcasts
    5
    1噢噢噢
    Chinaa year ago
  • 忠实粉丝

    可以学到好多科学知识开动大脑,非常好玩,必须五星!!!!!

    Apple Podcasts
    5
    科技“小佬”
    China2 years ago
  • 希望一直把节目做下去

    我儿子是你的忠实听众,也是在上学路上听你的节目,让他对天文物理越来越感兴趣。今天让我问问,怎么没怎么更新了呢?

    Apple Podcasts
    5
    Mc Queen22
    China3 years ago
  • 我必须说天文爱好者很喜欢

    我很喜欢这样的科普,每天上班都👂

    Apple Podcasts
    5
    孙传晓
    China3 years ago

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Apple Podcasts
#153
China/Technology
Apple Podcasts
#208
New Zealand/Technology
Apple Podcasts
#214
Taiwan/Technology

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天文随心听|讲述宇宙与人的故事 launched 7 years ago and published 711 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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