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Operation Valkyrie
July 20th, 1944, Claus von Stauffenberg and other conspirators attempt to assassinate Adolf Hitler, inside the Wolf's Lair , East Prussia.
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Credit:
Created by Daniel Turner (B.A. (Hons) in History, University College London)
Script: Conan White
Narrator:
Chris Kane
https://vocalforge.com/
Music Credit:
Gloom Horizon by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 licence. https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/r....oyalty-free/index.ht
Artist: http://incompetech.com/
Sources:
Von Schlabrendorff, F., 2018. The secret war against Hitler. Routledge.
The Plots Against Hitler by Danny Orbach
Head of Zeus Ltd, 13 Jul 2017
Mommsen, H., & McGeoch, A. (2008). Germans against Hitler: the Stauffenberg plot and resistance under the Third Reich. IB Tauris & Company Limited.
Kill Hitler: Operation Valkyrie 1944 (Raid Book 40)
by Neil Short
Operation Valkyrie
The German Generals' Plot Against Hitler
By Pierre Galante, Eugène Silianoff · 2002
Anthropic just pulled off one of the fastest growth stories in tech history jumping from $1B to $4B ARR in just seven months. For comparison, Snowflake, once considered the fastest-growing SaaS company ever, took six full quarters to double from $1B to $2B.
So how did Anthropic do it? Not through traditional SaaS subscriptions, but through usage-based API pricing. With developers burning 10–50x more tokens for code generation compared to regular chats, token-based pricing has become a goldmine. One product launch can cause token usage to skyrocket and suddenly a customer is spending $100K+ per month, with zero sales calls involved. This is usage-based growth at its purest: seamless onboarding, explosive developer adoption, and revenue scaling with actual customer value.
While OpenAI chased headlines, Anthropic quietly built enterprise-ready APIs, integrating directly with AWS and Google Cloud. This video breaks down why usage-based pricing, when done right, can outperform traditional SaaS — and how Anthropic just rewrote the playbook for monetizing AI infrastructure at scale.
Get the Price To Scale book here: https://a.co/d/9j8NMwU
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#Anthropic #AIeconomics #UsageBasedPricing #TokenEconomy #DeveloperGrowth #SaaS #ARRGrowth #ClaudeAI #MonetizationStrategy #TechNews #CloudInfrastructure #AWS #GoogleCloud #APIPricing #AIStartup #PricingPerfection
Anthropic $4B ARR | Claude API pricing | token-based AI pricing | usage-based pricing model | fastest growing SaaS company | Claude AI revenue | API monetization strategy | AI developer tools | Anthropic Claude token costs | AI infrastructure monetization | SaaS vs usage pricing | enterprise AI through cloud | Claude vs OpenAI growth | monetizing AI APIs | exponential SaaS growth
Join us in World of Tanks now for free and use the code ‘TANKMANIA’ to access the Excelsior tank and other cool stuff by clicking the link here: https://tanks.ly/3CgFDGf
While the Italian Army tank crews of World War II were undoubtedly brave in combat, they lacked decent, modern day equipment and were hampered by extremely poor leadership.
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Copyright: DO NOT translate and re-upload our content on Youtube or other social media.
SIMPLE HISTORY MERCHANDISE
Get the Simple History books on Amazon:
https://www.amazon.com/Daniel-....Turner-%60/e/B00H5TY
T-Shirts
https://teespring.com/stores/s....imple-history-offici
Simple history gives you the facts, simple!
See the book collection here:
Amazon USA
http://www.amazon.com/Daniel-Turner/e/B00H5TYLAE/
Amazon UK
http://www.amazon.co.uk/Daniel....-Turner/e/B00H5TYLAE
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Credit:
Created by Daniel Turner (B.A. (Hons) in History, University College London)
Script: Conan White
Narrator:
Bryan 'Lazlo' Beauregard
Animation: Maja Djokic
Music Credit:
Vortex, Crossing the Chasm, - Scoring Action by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/r....oyalty-free/index.ht
Artist: http://incompetech.com/
Sources:
Books
Italian Medium Tanks 1939-45 by F. Cappellano & P.P. Battistelli
Copyright 2012 Osprey Publishing Ltd.
Italian Light Tanks 1919-45 by F Cappellano & P.P. Battistelli Copyright 2012 Osprey Publishing Ltd.
The Italian Army in North Africa by Walter S. Zapotoczny Copyright 2018
Iron Arm - The Mechanization of Mussolini’s Army 1920-1940 by John Joseph Timothy Sweet Copyright 1980
The Italian Army 1940-45 : Africa 1940-43 by Philip Jowett
Publisher Bloomsbury USA 2001
Learn about dialog and other reading comprehension lessons in the FREE Khan Academy Kids app! https://go.learn.khanacademy.o....rg/khanacademy/YouTu
In this video, Ollo notices how sentences sound to see if the words make sense. If they don't make sense, he reads the sentence again until he gets the words correct. Great job, Ollo!
Visit us at http://www.khankids.org to learn more about Khan Academy Kids, a free educational app for preschool through 2nd grade available on Apple, Google Play, and Amazon app stores.
You can also access other videos on our Reading Comprehension playlist here: http://khan.co/KhanKids-ReadingComprehension.
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Questions? Reach our team at khankids@khanacademy.org.
Khan Academy Kids is an award-winning educational app for young learners ages two to eight. The app engages kids in core subjects like early literacy, reading, writing, language, and math, while encouraging creativity and building social-emotional skills.
Watch this video to learn more about the app, which is available on iPhone, iPad, Google Play, and Amazon. It’s 100% free—no ads, no subscriptions.
Download now!
http://khan.co/KhanKids-YT-Google
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You can view the recording of this livestream here: https://www.youtube.com/watch?v=hQMRtOD3ZZQ
To celebrate National Reading Month, Olympic champion and founder of Always Dream, Kristi Yamaguchi, joins Khan Academy Kids Founder, Caroline Hu Flexer on the next Khan Academy Ed Talks. They’ll talk about we can get children excited about reading and share tips for young kids ages 2-8. Join live on Thursday, March 3 at 12pm PT / 3pm ET.
To celebrate National Reading Month, Olympic champion and founder of Always Dream, Kristi Yamaguchi, joined Khan Academy Kids Founder, Caroline Hu Flexer on @khanacademy Ed Talks. They talked about ways we can get our kids excited about reading and share tips for young kids ages 2-8. Enjoy this recording of their live chat!
Khan Academy Kids is an award-winning educational app for young learners ages two to eight. The app engages kids in core subjects like early literacy, reading, writing, language, and math, while encouraging creativity and building social-emotional skills.
Learn more about Khan Academy Kids, our free educational app for children ages 2-8 at http://www.khankids.org.
Download now!
http://khan.co/KhanKids-YT-Google
http://khan.co/KhanKids-YT-Apple
http://khan.co/KhanKids-YT-Amazon
Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/differential-equations/first-order-differential-equations/differential-equations-intro/e/slope-fields?utm_source=YT&utm_medium=Desc&utm_campaign=DifferentialEquations
Watch the next lesson: https://www.khanacademy.org/math/differential-equations/first-order-differential-equations/separable-equations/v/separable-differential-equations-introduction?utm_source=YT&utm_medium=Desc&utm_campaign=DifferentialEquations
Missed the previous lesson?
https://www.khanacademy.org/math/differential-equations/first-order-differential-equations/differential-equations-intro/v/slope-field-to-visualize-solutions?utm_source=YT&utm_medium=Desc&utm_campaign=DifferentialEquations
Differential Equations on Khan Academy: Differential equations, separable equations, exact equations, integrating factors, homogeneous equations.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
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Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/precalculus/seq_induction/seq_and_series/e/arithmetic_sequences_1?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus
Watch the next lesson: https://www.khanacademy.org/math/precalculus/seq_induction/seq_and_series/v/finding-the-100th-term-in-a-sequence?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus
Missed the previous lesson?
https://www.khanacademy.org/math/precalculus/seq_induction/seq_and_series/v/explicit-and-recursive-definitions-of-sequences?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus
Precalculus on Khan Academy: You may think that precalculus is simply the course you take before calculus. You would be right, of course, but that definition doesn't mean anything unless you have some knowledge of what calculus is. Let's keep it simple, shall we? Calculus is a conceptual framework which provides systematic techniques for solving problems. These problems are appropriately applicable to analytic geometry and algebra. Therefore....precalculus gives you the background for the mathematical concepts, problems, issues and techniques that appear in calculus, including trigonometry, functions, complex numbers, vectors, matrices, and others. There you have it ladies and gentlemen....an introduction to precalculus!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Precalculus channel:
https://www.youtube.com/channe....l/UCBeHztHRWuVvnlwm2
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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/ap-calculus-bc/bc
If the terms of an infinite series don't approach zero, the series must diverge. Learn more about this test in this video.
AP Calculus BC on Khan Academy: Learn AP Calculus BC - everything from AP Calculus AB plus a few extra goodies, such as Taylor series, to prepare you for the AP Test
About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy's AP Calculus BC channel: https://www.youtube.com/channe....l/UC5A2DBjjUVNz8axD-
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/statistics-probab
Exploring the normal distribution
Watch the next lesson: https://www.khanacademy.org/math/probability/statistics-inferential/normal_distribution/v/normal-distribution-excel-exercise?utm_source=YT&utm_medium=Desc&utm_campaign=ProbabilityandStatistics
Missed the previous lesson?
https://www.khanacademy.org/math/probability/regression/regression-correlation/v/covariance-and-the-regression-line?utm_source=YT&utm_medium=Desc&utm_campaign=ProbabilityandStatistics
Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! We are constantly creating hypotheses, making predictions, testing, and analyzing. Our lives are full of probabilities! Statistics is related to probability because much of the data we use when determining probable outcomes comes from our understanding of statistics. In these tutorials, we will cover a range of topics, some which include: independent events, dependent probability, combinatorics, hypothesis testing, descriptive statistics, random variables, probability distributions, regression, and inferential statistics. So buckle up and hop on for a wild ride. We bet you're going to be challenged AND love it!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to KhanAcademy’s Probability and Statistics channel:
https://www.youtube.com/channe....l/UCRXuOXLW3LcQLWvxb
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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/ap-calculus-ab/ab
You're on a ladder. The bottom of the ladder starts slipping away from the wall. Amidst your fright, you realize this would make a great related rates problem... Created by Sal Khan.
Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ap-calculus-ab/ab-applications-derivatives/ab-related-rates/e/related-rates-pythagorean-theorem?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB
Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-ab/ab-applications-derivatives/ab-related-rates/v/related-rates-of-water-pouring-into-cone?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB
Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-ab/ab-applications-derivatives/ab-related-rates/v/rate-of-change-of-distance-between-approaching-cars?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB
AP Calculus AB on Khan Academy: Bill Scott uses Khan Academy to teach AP Calculus at Phillips Academy in Andover, Massachusetts, and heÕs part of the teaching team that helped develop Khan AcademyÕs AP lessons. Phillips Academy was one of the first schools to teach AP nearly 60 years ago.
About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan AcademyÕs AP Calculus AB channel: https://www.youtube.com/channe....l/UCyoj0ZF4uw8VTFbml
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/linear-algebra/al
The least squares approximation for otherwise unsolvable equations
Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/alternate_bases/orthogonal_projections/v/linear-algebra-least-squares-examples?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra
Missed the previous lesson?
https://www.khanacademy.org/math/linear-algebra/alternate_bases/orthogonal_projections/v/linear-alg-projection-is-closest-vector-in-subspace?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra
Linear Algebra on Khan Academy: Have you ever wondered what the difference is between speed and velocity? Ever try to visualize in four dimensions or six or seven? Linear algebra describes things in two dimensions, but many of the concepts can be extended into three, four or more. Linear algebra implies two dimensional reasoning, however, the concepts covered in linear algebra provide the basis for multi-dimensional representations of mathematical reasoning. Matrices, vectors, vector spaces, transformations, eigenvectors/values all help us to visualize and understand multi dimensional concepts. This is an advanced course normally taken by science or engineering majors after taking at least two semesters of calculus (although calculus really isn't a prereq) so don't confuse this with regular high school algebra.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to KhanAcademy’s Linear Algebra channel: https://www.youtube.com/channe....l/UCGYSKl6e3HM0PP7QR
Subscribe to KhanAcademy: https://www.youtube.com/subscr....iption_center?add_us
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/electrical-eng
Finding Fourier coefficients for square wave
Sal continues the discussion on e, this time digging deeper into the mathematical definition of e. Created by Sal Khan.
Watch the next lesson:
https://www.khanacademy.org/economics-finance-domain/core-finance/interest-tutorial/cont-comp-int-and-e/v/continuously-compounding-interest-formula-e?utm_source=YT&utm_medium=Desc&utm_campaign=financeandcapitalmarkets
Missed the previous lesson? Watch here: https://www.khanacademy.org/economics-finance-domain/core-finance/interest-tutorial/cont-comp-int-and-e/v/e-through-compound-interest?utm_source=YT&utm_medium=Desc&utm_campaign=financeandcapitalmarkets
Finance and capital markets on Khan Academy: This is an older tutorial (notice the low-res, bad handwriting) about one of the coolest numbers in reality and how it falls out of our innate desire to compound interest continuously.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Finance and Capital Markets channel: https://www.youtube.com/channe....l/UCQ1Rt02HirUvBK2D2
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Intuition of the gradient of a scalar field (temperature in a room) in 3 dimensions.
Watch the next lesson: https://www.khanacademy.org/math/multivariable-calculus/partial_derivatives_topic/divergence/v/divergence-1?utm_source=YT&utm_medium=Desc&utm_campaign=MultivariableCalculus
Missed the previous lesson?
https://www.khanacademy.org/math/multivariable-calculus/partial_derivatives_topic/gradient/v/gradient-1?utm_source=YT&utm_medium=Desc&utm_campaign=MultivariableCalculus
Multivariable Calculus on Khan Academy: Think calculus. Then think algebra II and working with two variables in a single equation. Now generalize and combine these two mathematical concepts, and you begin to see some of what Multivariable calculus entails, only now include multi dimensional thinking. Typical concepts or operations may include: limits and continuity, partial differentiation, multiple integration, scalar functions, and fundamental theorem of calculus in multiple dimensions.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to KhanAcademy’s Multivariable Calculus channel:
https://www.youtube.com/channe....l/UCQQZDc22yCogOyx6D
Subscribe to KhanAcademy: https://www.youtube.com/subscr....iption_center?add_us
Asian-English Kids Division #10 , Learning, teaching, Factoring manipulative Blocks, with Smiley Face Books using Japanese Numerals, Mortensen Math Japan, Algebra, Factoring Expressions, with Jerry Mortensen, Mortensen Math manipulative blocks, Kids Montessori K-12 Homeschooling Pre-school Charter Schools Kindergarten mathematics tutorial video.\
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Join us as we share strategies to teach grammar from an integrated skills approach. Use these activities in your classroom right away to incorporate grammar throughout a lesson. We will focus on grammar at every stage, from introducing the topic to direct vocabulary and grammar instruction as it relates to text work, academic skills, and writing tasks. From an integrated skills approach, grammar can be practiced through reading, writing, listening, and speaking.
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To schedule a demo: https://www.ballard-tighe.com/company/contact/scheduler.php
What do you know about magnets or magnetism? Magnets for Kids teaches you about magnets and how and why they work. People use magnets for more than just hanging up artwork and grocery lists on their refrigerators. In fact, the very center of the earth is made of two metals that cause a giant magnetic field! A magnetic field is the area surrounding a magnet. Let's see what else you learn!
Every magnet has a north pole and a south pole. A north and south pole will always pull toward each other, or attract to each other. If you try to take two magnets and face the north poles toward each other, they will repel. The same is true of the south poles.
There are a few types of magnets: temporary, permanent, and electromagnet. Temporary magnets become magnetized when a magnetic field is present. But they lose their magnetism when that magnetic field goes away. Permanent magnets, on the other hand, are made of materials like iron or nickel that are already magnetized and have their own magnetic field. In fact, the earth's core is made of iron and nickel, which is why it is magnetic.
Electromagnets are the last type. These magnets are created by running an electrical current through a coil with a metal core. The energized core creates a magnetic field. It stops working as soon as the electric current turns off. An MRI machine at a hospital is an example of an electromagnet. Other things with magnets in them include telephones, door bells, motors, and compasses.
We hope you and your student(s) enjoyed learning about magnetism and how magnets work! If you want to learn even more, head over to our website and download one of our many free lesson plans about magnets, full of activities, worksheets, and more!
https://learnbright.org/lessons/science/magnets/
What you will learn in Magnets for Kids:
0:00 Introduction to magnets
0:27 What is a magnet?
1:06 North and south poles of magnets
2:06 Three types of magnets—temporary, permanent, electromagnet
3:13 Where are magnets used?
4:04 Review of the facts
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