Recreational mathematicians

Boris Kordemsky

Boris A. Kordemsky (Russian: Борис Анастасьевич Кордемский; 23 May 1907 – 29 March 1999) was a Russian mathematician and educator. He is best known for his popular science books and mathematical puzzles. He is the author of over 70 books and popular mathematics articles. Kordemsky was born in Kiknur, Vyatka Governorate, Russian Empire. He received his Ph.D. in education in 1956 and taught mathematics at several Moscow colleges. (Wikipedia).

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The Moscow Puzzles by Boris A Kordemsky #shorts

The Moscow Puzzles by Boris A Kordemsky #shorts This is the book on amazon: https://amzn.to/3eeqMAz (note this is my affiliate link) Book Review #shorts: https://www.youtube.com/playlist?list=PLO1y6V1SXjjPqMhU21NyGnwVnlF0UIheP Full Book Reviews: https://www.youtube.com/playlist?list=PLO

From playlist Book Reviews #shorts

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Kosygin - De Gaulle (1966)

A meeting of Kosygin and Charles de Gaulle, President of the french Republic in 1966. Paris, France. GV. Arc de Triomphe, Paris. LV. Soviet Prime Minister Alexei Kosygin laying wreath on the Tomb of the Unknown Soldier. GV. Kosygin and party standing to attention, & SV. SV. Interior,

From playlist RUSSIAN LEADERS

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Борис Н. Петров - Boris N. Petrov: Space Pioneer, Automatic Control Engineer(USSR)

The life of automatic control engineer Boris N. Petrov, a pioneer of the Russian space program. Борис Н. Петров Solved automatic control issues in rockets and ballistic missiles, He published many papers on control science with Vladislav Rutkovsky who narrates the story of his life. Leade

From playlist Russian Engineering

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Maxim Kontsevich, Equations for stability­

Maxim Kontsevich, IHÉS, France Equations for stability­

From playlist Conférence en l'honneur de Jean-Pierre Bourguignon

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Simple problem confuses the internet

They say "You should be able to solve this," but the internet can't agree on the answer! What do you think? #shorts #math #maths #mathematics MindYourDecisions poll results https://www.youtube.com/post/Ugzv_XryKGRUCCNDluN4AaABCQ The Moscow Puzzles (problem 37) by Boris A. Kordemsky, edit

From playlist Math Shorts

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Can you solve the human cannonball riddle? - Alex Rosenthal

Practice more problem-solving at https://brilliant.org/TedEd -- They call you the human cannonball. Your act involves flying through rings of fire, bouncing through a trampoline course, and catching the trapezist in the grand finale. Today’s pre-flight test fails dramatically, and upon i

From playlist New TED-Ed Originals

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Modest Mussorgsky / Maurice Ravel - Pictures at an Exhibition

Pictures at an Exhibition (Russian: Картинки с выставки -- Воспоминание о Викторе Гартмане, Kartinki s vystavki -- Vospominaniye o Viktore Gartmane, "Pictures from an Exhibition -- A Remembrance of Viktor Hartmann") is a suite composed for piano by Russian composer Modest Mussorgsky in 187

From playlist Brilliant Music

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Vladimir Komarov: the first man to die in space – BBC REEL

On 24 April 1967, cosmonaut Vladimir Komarov became the first man to die in space. The Soviet Union mourned the loss of a hero when it heard the Soyuz 1 mission was a failure. Some say Komarov knew he was taking part in a doomed operation, but what really happened? Video by Jono Namara Co

From playlist Reel World

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Khrushchev - The Bear's Embrace

Portraits of Power - Khrushchev - The Bear's Embrace Narrated by Henry Fonda The first part of this series deals with the Russian head of state Nikita Sergeyevich Khrushchev (* 15.04.1894 in Kalinowka, Circle Dmitriev, Kursk, Russian Empire, today Kursk Oblast, Russia, + 09.11.1971 in Mos

From playlist Portraits of Power - Those who shaped the Twentieth Century

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Czechoslovakia Aka Czech Crisis (1968)

The Czech hold a conference with the Russian regarding their independence in 1968. No title - Czech crisis. L/S convoy of Russian army vehicles, pan across them. M/S truck, M/S tanks. C/U Russian soldiers sat on tank, pan across row of tanks. M/S train pulling into station. M/S Cze

From playlist THE COLD WAR

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Союз - Аполлон / Space: Apollo-Soyuz Leader Boris Petrov

Control engineer Boris N. Petrov was the leader on the Russian side of the Apollo-Soyuz Program 1975. His work included solving fuel consumption problems for rockets and a myriad of other technical issues. The Edison Tech Center interviewed Vladislav Rutkovsky - living pioneer in Russian

From playlist Russian Engineering

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Did Hitler Kill a King?

Did Hitler have a hand in the suspicious death of Bulgarian Tsar Boris III in 1943? What really happened to the king who saved Bulgaria's Jews from the Holocaust? Dr. Mark Felton is a well-known British historian, the author of 22 non-fiction books, including bestsellers 'Zero Night' and

From playlist Hitler Various Subjects

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Boris Johnson Family Tree

A look at the British Prime Minister's roots, which include connections to the Ottoman Empire and to German royalty. Ottoman Sultans family tree: https://www.youtube.com/watch?v=5PBaDlJP3kI CREDITS: Chart: Matt Baker https://usefulcharts.com Script/Narration: @JackRackam Intro animation

From playlist Famous People Family Trees

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You Don't Have to be a Genius to be a Memory Champ

Boris Konrad's info https://www.linkedin.com/in/bokonrad/ https://www.boriskonrad.com/ Ron White's info https://memorycourse.brainathlete.com/memorytips Get a free gift here and find out about a memory training course. Instagram: @brainathlete Boris Konrad is a memory champion and has h

From playlist Brain Training

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Desperate Battle: USS Borie vs U-405

By October 1943, the tide in the Battle of the Atlantic had turned, and the allies had shifted from fighting on the defensive to taking the battle to the U-boats themselves. But fishing for U-boats in millions of miles of ocean was a daunting task, and a dangerous one, as the officers and

From playlist Tin Cans: Stories of WWII Destroyers

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My Math Bookshelf (Middle Row)

These are some of my math books from one of my bookshelves. There are 26 total:) If you enjoyed this video please consider liking, sharing, and subscribing. *****The books with links to amazon if available****** Topics in Ring Theory by Barshay Ring Theory by Gordon Topics in Algebra b

From playlist Book Reviews

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Contract Law 38 III Capacity to Contract

III. SPECIAL CONTROLS ON PROMISSORY LIABILITY – FORMATION DEFENSES A. Capacity to Contract These video lectures are taken from Prof. Ayres’ Coursera Courses: American Contract Law I & II. All lectures plus assessments, animations, and discussion forums will me made available on Courser

From playlist American Contract Law

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Konotori - Oliver Lugg

http://oliverlugg.com/ DOWNLOAD: https://oliverlugg.bandcamp.com/track/konotori Although I've again been having trouble finding both the time and inspiration for composition, rest assured I'm not dead. This piece is a mix of oriental, jazz and electronic music, with section of improvisat

From playlist Music Compositions

Related pages

Mathematical puzzle