Tian yuan shu (simplified Chinese: 天元术; traditional Chinese: 天元術; pinyin: tiān yuán shù) is a Chinese system of algebra for polynomial equations. Some of the earliest existing writings were created in the 13th century during the Yuan dynasty. However, the tianyuanshu method was known much earlier, in the Song dynasty and possibly before. (Wikipedia).
Three Kingdoms - OverSimplified
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From playlist OverSimplified History
First session Yang's TaiChi: Beginning (Practice)
Follow me, repeat three times.
From playlist The Beauty of Yang's Tai Chi (太極)
Confucius (or, What to Do When Elites Break The Rules) | Philosophy Tube
Alternate Title - 'What to Do When Elites Break The Rules' https://www.patreon.com/PhilosophyTube Subscribe! http://tinyurl.com/pr99a46 Paypal.me/PhilosophyTube Wanna get me a gift for the show? http://amzn.eu/5JAYdOd Check out my other videos on: Who's Afraid of the Experts? https://
From playlist The Main Show
First session Yang's TaiChi: Preparation Form (Practice)
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From playlist The Beauty of Yang's Tai Chi (太極)
The Three Kingdoms - The Battle of Guandu - Extra History - #2
Watch this video ad-free on Nebula: https://nebula.tv/videos/extra-history-the-three-kingdoms-the-battle-of-guandu-extra-history-2 This series is brought to you by Total War: THREE KINGDOMS, a brand new strategy game set during this time period. https://store.steampowered.com/app/779340/T
From playlist Extra History (ALL EPISODES)
First session Yang's TaiChi 19: Cross Hands (Demo and Brief)
上承「如封似閉」。 動作看似簡單，但宜慢慢細做。 下開「收式」或「抱虎歸山」。
From playlist The Beauty of Yang's Tai Chi (太極)
The Forgotten FIRST 'Doolittle Raid' 1938!
Established Titles are now running a massive sale. Go to: https://establishedtitles.com/MARKFELTON and help support the channel and get an additional 10% off on any purchase with code MARKFELTON. Thanks to Established Titles for sponsoring this video! Four years before Jimmy Doolittle led
From playlist Daring Raids
Graduate School of Arts and Sciences | Alumni Degree Ceremony
Degree ceremony for Yale Graduate School of Arts and Sciences Classes of 2020 and 2021 Alumni, Saturday, May 14, 2022 at Woolsey Hall. Featuring remarks by Dean Lynn Cooley and the calling of graduates’ names in celebration of their degrees.
From playlist Yale Graduate School of Arts and Sciences (GSAS)
First session Yang's TaiChi 08: Lifting Hands (Practice)
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From playlist The Beauty of Yang's Tai Chi (太極)
First session Yang's TaiChi 20: Return (Practice)
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From playlist The Beauty of Yang's Tai Chi (太極)
Warm-up of Yang's TaiChi: Lift up, Press down(Practice)
Follow me, do it five times.
From playlist The Beauty of Yang's Tai Chi (太極)
First session Yang's TaiChi 05: Grasp the Bird's tail - Press (Practice)
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From playlist The Beauty of Yang's Tai Chi (太極)
Warm-up of Yang's TaiChi: Stance of right hollow step (Demo and Brief)
Stance of right hollow step is a pose of martial art, attack by your right, defence by your left. Be cautious that the mass is on your left and all your joints should be relaxed to keep elastic.
From playlist The Beauty of Yang's Tai Chi (太極)
Francesco D’Andrea: The K-theory of quantized CW-complexes
Talk by Francesco D'Andrea in Global Noncommutative Geometry Seminar (Europe) http://www.noncommutativegeometry.nl/ncgseminar/ on January 19, 2021
From playlist Global Noncommutative Geometry Seminar (Europe)
Shou-Wu Zhang: Congruent number problem and BSD conjecture
Abstract : A thousand years old problem is to determine when a square free integer n is a congruent number ,i,e, the areas of right angled triangles with sides of rational lengths. This problem has a some beautiful connection with the BSD conjecture for elliptic curves En:ny2=x3−x. In fact
From playlist Jean-Morlet Chair - Research Talks - Prasad/Heiermann
Synthesis Workshop: Total Synthesis of Ambruticin J with James Bowen (Episode 62)
In this Research Spotlight episode, we are joined by James Bowen (Willis group, University of Bristol), who takes us through his work on the total synthesis of ambruticin J. Key reference: Org. Biomol. Chem. 2021, 19, 6210–6215. Other references (in order of appearance): Höfle, G. et al
From playlist Research Spotlights
Synthesis Workshop: Diketopiperazine Catalysis with Prof. Alexandros Zografos (Episode 97)
In this Research Spotlight episode, Prof. Alexandros Zografos joins us to share his group's work on diketopiperazine catalysts in the context of dioxygen activation for synthetic applications. Key references: ACS Catal. 2020, 10, 7093-7099. https://doi.org/10.1021/acscatal.0c01847 Green C
From playlist Special Topics: Organocatalysis
2000 Years of Chinese History! The Mandate of Heaven and Confucius | World history | Khan Academy
In which John introduces you to quite a lot of Chinese history by discussing the complicated relationship between the Confucian scholars who wrote Chinese history and the emperors (and empress) who made it. Included is a brief introduction to all the dynasties in Chinese history and an int
From playlist Crash Course: World History | World History | Khan Academy
First session Yang's TaiChi 07: Single Whip (Practice)
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From playlist The Beauty of Yang's Tai Chi (太極)