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贾尼别科夫定理/网球拍定理 Tennis racket theorem

The tennis racket theorem or intermediate axis theorem is a result in classical mechanics describing the movement of a rigid body with three distinct … Continue reading

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费曼:任何伟大的科学成就,都源于思想自由

https://mp.weixin.qq.com/s/J20VIcebj_omP1dpv71l9w

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学科学为了摆脱愚昧无知

https://www.douyin.com/video/7141112929914522893

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91岁老院士给新生上第一课:只要国家和社会需要,这都值得干!

https://www.douyin.com/video/7144697778420059432

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美债已如此庞大,如果还继续增加意味着什么?

https://www.douyin.com/video/7144619846079221023

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坚持和发展中国特色社会主义要一以贯之

http://www.qstheory.cn/dukan/qs/2022-09/15/c_1129000323.htm

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什么是对英雄最好的纪念?

https://mp.weixin.qq.com/s/mzBCulHrwNBg1_LigXlNpg

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方块碰撞次数和圆周率Pi

https://www.douyin.com/video/7143639501015993600 https://www.bilibili.com/video/BV1bt41147H5/ https://zhuanlan.zhihu.com/p/55768956

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摩斯密码快速象形记忆

https://www.douyin.com/video/7143902711648357636

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现代物理学3句话概括:世界是如何运行的? 

https://www.douyin.com/video/7138735964310080799

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看似不起眼的腐蚀,每年造成的经济损失竟要占我国GDP的5%左右 | 王长罡

https://mp.weixin.qq.com/s/bFfJN3QFm_-Z2095RYneCQ

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为人民服务~ #知识创作人 #金融知识普及月

https://www.douyin.com/video/7142069399913057571

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切比雪夫,他带起了俄罗斯现代数学的发展

https://mp.weixin.qq.com/s/udVvVmhB8BzLsdD9NWrWCQ

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量子科学论坛:Theoretical design Ge/Si quantum wells towards Si-based spin qubits

https://www.koushare.com/lives/room/378702

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你解的不是数学题,是数学家的一生!【数学史年表】

https://www.bilibili.com/video/BV1ht4y177Ef

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习近平主持召开中央深改委会议:健全关键核心技术攻关新型举国体制

https://mp.weixin.qq.com/s/EoVac8lWXqCqNBEJqxMSqA

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数学学科分类 Mathematics Subject Classification – MSC2020

https://zbmath.org/classification/

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阅读总结:量子力学中的不确定性原理

原文:量子力学中的不确定性原理到底在说什么? 稍微有点长。这里做个总结: 不确定性原理是内在属性,不仅仅是测量的结果。当然,最终是体现在测量上。 不确定性原理中的△表示标准差。 不确定性原理来源于不对易关系,例如:位置算符和动量算符的不对易。 一个直观的理解是:对易关系决定了两个物理量是否独立。当测 … Continue reading

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区块链和电子货币的简单理解

https://www.douyin.com/video/7139291518715628840 个人笔记: 散列值:通过一串数字来确定文件。文件做了任何修改都会影响散列值。 非对称加密通信:用公钥加密,用私钥解密读取信息。 数字签名:用私钥来加密,用公钥来解密认证。 中心化:通过权威来确认已经完成 … Continue reading

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到底什么是财富?

https://zhuanlan.zhihu.com/p/61433551

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德博拉数 Deborah number

The Deborah number (De) is a dimensionless number, often used in rheology to characterize the fluidity of materials under specific flow conditions. It … Continue reading

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顶校博士这样读文献!Nature发文教你摆脱论文囤积症

https://mp.weixin.qq.com/s/c9QxbrgO3oNsrOblI7QwiA https://www.nature.com/articles/d41586-022-01878-7

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国自然评审专家体会:国自然基金愿意资助什么样的人?

https://mp.weixin.qq.com/s/LqHYtrmKfZojq5wFObfCwg

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特征值和特征向量的物理意义

https://mp.weixin.qq.com/s/CT0R1R29bwWgpHRfdrzS9Q

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黄昆:中国半导体事业奠基人

https://mp.weixin.qq.com/s/i4n1THgVeFWNg3jg9ql4XA

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Nature Reviews Physics:物理学中的幂律

https://mp.weixin.qq.com/s/TEv3EC1tAP1f8-Sk608DSg

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统计物理、无序系统和神经网络

https://mp.weixin.qq.com/s/VisjPCeXTTVU7ttDCK4MdQ

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加强高校有组织科研,教育部明确9项重点举措

http://education.news.cn/20220829/f2764527b6164e369d7ce290dff9a931/c.html 2022-08-29

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TDLI mini-School on Selected Topics in Superconductors

https://www.koushare.com/lives/room/207893

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老百姓最在意过好自己的日子,这也是国家丰功伟业的落脚点

https://mp.weixin.qq.com/s/7DT_LtScjHMpjwrz9Lx6hg

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富比尼–施图迪度量 Fubini–Study metric

在数学中,富比尼–施图迪度量(Fubini–Study metric)是射影希尔伯特空间上一个凯勒度量。所谓射影希尔伯特空间即赋予了埃尔米特形式的复射影空间 CPn。这个度量最先由圭多·富比尼与爱德华·施图迪在1904年与1905年描述。 向量空间 Cn+1 上一个埃尔米特形式定义了 GL(n+1, … Continue reading

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Introduction - Part A: Helicopter view of Spintronics

https://www.bilibili.com/video/BV1ad4y1d7md

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邓小平的伟大之处:对内不折腾 对外有谋略 | 严锋

http://history.ifeng.com/c/7wd1EoqcODh

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卡尔达肖夫指数 Kardashev scale

The Kardashev scale is a method of measuring a civilization's level of technological advancement based on the amount of energy it is able to use. The … Continue reading

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北京师范大学物理学系百廿校庆校友学术论坛

https://www.koushare.com/lives/room/866233

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人生的意义不在于你自己体验了多少经历了多少,而是在于怎样更好的体现出人生的价值

https://www.douyin.com/video/7132010739149131040

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关于科学、技术、创新、人才的一些论述

习近平:努力成为世界主要科学中心和创新高地(求是网,2021-03-15) 习近平:加快建设科技强国 实现高水平科技自立自强(求是网,2022-04-30) 习近平:深入实施新时代人才强国战略 加快建设世界重要人才中心和创新高地(求是网,2021-12-15) 关于科技创新,总书记的最新论述(求是网 … Continue reading

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更好把握和运用党的百年奋斗历史经验

http://www.qstheory.cn/dukan/qs/2022-06/30/c_1128786667.htm

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坚持把解决好“三农”问题作为全党工作重中之重 举全党全社会之力推动乡村振兴

http://www.qstheory.cn/dukan/qs/2022-03/31/c_1128515304.htm

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Tutorials for Quantum Espresso

https://github.com/marcobn/QETutorials

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哈勃–勒梅特定律 Hubble's law

Hubble's law, also known as the Hubble–Lemaître law or Lemaître's law, is the observation in physical cosmology that galaxies are moving away from Ear … Continue reading

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碲化钼 Molybdenum ditelluride (MoTe2)

Molybdenum(IV) telluride, molybdenum ditelluride or just molybdenum telluride is a compound of molybdenum and tellurium with formula MoTe2, correspond … Continue reading

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习近平新时代中国特色社会主义思想学习问答

https://www.12371.cn/special/dsxxjc/xxwd/pz/

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《习近平谈治国理政》第四卷

https://www.12371.cn/special/zglz4/

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对称性破缺与涌现——复杂科学与艺术之间的共鸣

https://mp.weixin.qq.com/s/L5EeQWyFPwRvhzdy3k722g

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中国物理学会2022秋季学术会议

http://meeting.cps-net.org.cn/sustech2022

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康德拉季耶夫长波 Kondratiev wave

In economics, Kondratiev waves (also called supercycles, great surges, long waves, K-waves or the long economic cycle) are hypothesized cycle-like phe … Continue reading

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诺贝尔化学奖得主Roald Hoffmann教授:SIMULATION VS UNDERSTANDING

https://www.bilibili.com/video/BV1Ha411U7S4/

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能战方能止战 敢战方能言和

https://www.douyin.com/video/7129440426456648968

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群 Group

In mathematics, a group is a set and an operation that combines any two elements of the set to produce a third element of the set, in such a way that … Continue reading

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认知越多 越自由

https://www.douyin.com/video/7127135373922192680

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陆大道院士:怎么写好论文?如何提出新思想?

https://mp.weixin.qq.com/s/atbuJIynqzBcRwxcUwEJIg

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“拉马努金复生才能解决”:E₈格与装球问题

https://mp.weixin.qq.com/s/UB3MVVQrQY9_tAi_LjknnQ

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斯里尼瓦瑟·拉马努金 Srinivasa Ramanujan

Srinivasa Ramanujan (22 December 1887 – 26 April 1920)was an Indian mathematician who lived during the British Rule in India. Though he had almost no … Continue reading

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刘擎:学会真诚地袒露自己

https://www.douyin.com/video/7127534859131669797

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《宇宙时间简史》从宇宙大爆炸到生命出现 Timelapse of the Entire Universe

https://www.douyin.com/video/7111825836885478687

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必然与偶然的辩证统一

https://www.douyin.com/video/7115733684719783176

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仔细看 这片面包摔倒了

https://www.douyin.com/video/7123806762804858115

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梅尔曼–瓦格纳定理 Mermin–Wagner theorem

In quantum field theory and statistical mechanics, the Mermin–Wagner theorem (also known as Mermin–Wagner–Hohenberg theorem, Mermin–Wagner–Berezinskii … Continue reading

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陈-西蒙斯理论 Chern–Simons theory

The Chern–Simons theory is a 3-dimensional topological quantum field theory of Schwarz type developed by Edward Witten. It was discovered first by mat … Continue reading

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碲化铋 Bismuth telluride (Bi2Te3)

Bismuth telluride (Bi2Te3) is a gray powder that is a compound of bismuth and tellurium also known as bismuth(III) telluride. It is a semiconductor, w … Continue reading

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熊掌兼得 实事求是

https://www.douyin.com/video/7102006125851200809

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最伟大的物理

https://www.bilibili.com/video/BV1n34y1H7LH https://mp.weixin.qq.com/s/0L0kYEXj5bhcPqOMtSuuoQ

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费曼访谈:“知道”与“理解”的区别

https://www.bilibili.com/video/BV1Mp4y1k7pr

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本科、硕士、博士的区别(终极版)

https://mp.weixin.qq.com/s/k4DF4b_PBpwmmG9nDad0yA

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张朝阳、俞敏洪分享碎片化学习法

https://www.douyin.com/video/7126486262881602824

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凯尔迪什方程 Keldysh formalism

In non-equilibrium physics, the Keldysh formalism is a general framework for describing the quantum mechanical evolution of a system in a non-equilibr … Continue reading

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什么是量子计算

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核动力时钟

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万字解析:今天的游戏技术究竟发展到了什么程度?

https://www.bilibili.com/video/BV1HB4y1W7pC

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集合论 Set theory

Set theory is the branch of mathematical logic that studies sets, which can be informally described as collections of objects. Although objects of any … Continue reading

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格奥尔格·康托尔 Georg Cantor

Georg Ferdinand Ludwig Philipp Cantor (/ˈkæntɔːr/ March 3 [O.S. February 19] 1845 – January 6, 1918) was a German mathematician. He played a pivotal r … Continue reading

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回拉式玩具车能自己前进的工作原理

https://www.douyin.com/video/7120571490109574404

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记录向日葵的生长过程

https://www.douyin.com/video/7123386267580026143

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扎实推动共同富裕

http://www.qstheory.cn/dukan/qs/2021-10/15/c_1127959365.htm

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让宝宝们读懂广义相对论

https://www.douyin.com/video/7123043337422048550

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一图看懂指针

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数学神教

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PIZZA第一定律

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量子心经

https://www.douyin.com/video/7066256310567832840 观自在阿尔伯特,行深量子物理时,照见薛定谔之猫,测一切不准。 二象性,波不亦粒,粒不亦波,波即是粒,粒即是波。量子纠缠,亦复如是。 无麦克斯韦妖,无双缝干涉实验,无能量输入,毕竟熵增热寂。 无四大基本力 … Continue reading

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十年后的大学生毕业答辩

https://www.douyin.com/video/7109379973407886606

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坡印廷向量/能流密度矢量 Poynting vector

In physics, the Poynting vector (or Umov–Poynting vector) represents the directional energy flux (the energy transfer per unit area per unit time) or … Continue reading

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闪锌矿 Sphalerite (zinc blende, ZnS)

Sphalerite is a sulfide mineral with the chemical formula (Zn,Fe)S. It is the most important ore of zinc. Sphalerite is found in a variety of deposit … Continue reading

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精细结构常数 Fine-structure constant

In physics, the fine-structure constant, also known as Sommerfeld's constant, commonly denoted by α (the Greek letter alpha), is a fundamental physica … Continue reading

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Pirsa Talks

https://pirsa.org/

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Kavli Institute for Theoretical Physics Online Talks

https://www.kitp.ucsb.edu/online-talks

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公开密钥加密 Public-key cryptography (非对称式密码学 Asymmetric cryptography)

Public-key cryptography, or asymmetric cryptography, is a cryptographic system that uses pairs of keys. Each pair consists of a public key (which may … Continue reading

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密码学 Cryptography

Cryptography, or cryptology, is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally, … Continue reading

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拉普拉斯方程 Laplace's equation

In mathematics and physics, Laplace's equation is a second-order partial differential equation named after Pierre-Simon Laplace, who first studied its … Continue reading

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泊松方程 Poisson's equation

Poisson's equation is an elliptic partial differential equation of broad utility in theoretical physics. For example, the solution to Poisson's equati … Continue reading

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谢尔宾斯基地毯 Sierpiński carpet

The Sierpiński carpet is a plane fractal first described by Wacław Sierpiński in 1916. The carpet is a generalization of the Cantor set to two dimensi … Continue reading

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詹姆斯·韦布空间望远镜 首批照片

网址:https://www.nasa.gov/webbfirstimages NASA官网:https://www.nasa.gov/

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近邻效应 Proximity effect

A given material can be transformed through proximity effects whereby it acquires properties of its neighbors, for example, becoming superconducting, … Continue reading

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瓦尼尔函数 Wannier function

The Wannier functions are a complete set of orthogonal functions used in solid-state physics. They were introduced by Gregory Wannier in 1937. Wannier … Continue reading

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散列函数/哈希函数 Hash function

A hash function is any function that can be used to map data of arbitrary size to fixed-size values. The values returned by a hash function are called … Continue reading

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宏观经济学 Macroeconomics

Macroeconomics (from the Greek prefix makro- meaning "large" + economics) is a branch of economics dealing with performance, structure, behavior, and … Continue reading

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微观经济学 Microeconomics

Microeconomics is a branch of mainstream economics that studies the behavior of individuals and firms in making decisions regarding the allocation of … Continue reading

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亚当·斯密 Adam Smith

Adam Smith (baptized 16 June 1723 – 17 July 1790) was a Scottish[a] economist and philosopher who was a pioneer of political economy and key figure du … Continue reading

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任教麻省理工65年的语言学教授乔姆斯基:怎样才算是真正的受教育?

https://www.bilibili.com/video/BV1ry4y1x7FV

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秀尔算法 Shor's algorithm

Shor's algorithm is a quantum computer algorithm for finding the prime factors of an integer. It was developed in 1994 by the American mathematician P … Continue reading

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