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2,000 Years of Chinese History! The Mandate of Heaven and Confucius: World History #7
Rating

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 introduction to Confucius and the Confucian emphasis on
filial piety, the role the mandate of heaven played in organizing
China, and how China became the first modern state.

Subject:
History
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/15/2019
3D Graphics: Crash Course Computer Science #27
Rating

Today we’re going to discuss how 3D graphics are created and then rendered for a 2D screen. From polygon count and meshes, to lighting and texturing, there are a lot of considerations in building the 3D objects we see in our movies and video games, but then displaying these 3D objects of a 2D surface adds an additional number of challenges. So we’ll talk about some of the reasons you see occasional glitches in your video games as well as the reason a dedicated graphics processing unit, or GPU, was needed to meet the increasing demand for more and more complex graphics.

Subject:
Computer Science
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/08/2019
ANOVA: Crash Course Statistics #33
Rating

Today we're going to continue our discussion of statistical models by showing how we can find if there are differences between multiple groups using a collection of models called ANOVA. ANOVA, which stands for Analysis of Variance is similar to regression (which we discussed in episode 32), but allows us to compare three or more groups for statistical significance.

Subject:
Math
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/06/2019
ANOVA Part 2: Dealing with Intersectional Groups: Crash Course Statistics #34
Rating

Do you think a red minivan would be more expensive than a beige one? Now what if the car was something sportier like a corvette? Last week we introduced the ANOVA model which allows us to compare measurements of more than two groups, and today we’re going to show you how it can be applied to look at data that belong to multiple groups that overlap and interact. Most things after all can be grouped in many different ways - like a car has a make, model, and color - so if we wanted to try to predict the price of a car, it’d be especially helpful to know how those different variables interact with one another.

Subject:
Math
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/06/2019
Advanced CPU Designs: Crash Course Computer Science #9
Rating

So now that we’ve built and programmed our very own CPU, we’re going to take a step back and look at how CPU speeds have rapidly increased from just a few cycles per second to gigahertz! Some of that improvement, of course, has come from faster and more efficient transistors, but a number hardware designs have been implemented to boost performance. And you’ve probably heard or read about a lot of these - they’re the buzz words attached to just about every new CPU release - terms like instruction pipelining, cache, FLOPS, superscalar, branch prediction, multi-core processors, and even super computers! These designs are pretty complicated, but the fundamental concepts behind them are not. So bear with us as we introduce a lot of new terminology including what might just be the best computer science term of all time: the dirty bit. Let us explain.

Subject:
Computer Science
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/08/2019
Age & Aging: Crash Course Sociology #36
Rating

People are getting older – not just in the individual sense, but the human population itself. Today we’re going to explore those shifting patterns and their implications. We’ll go over the biological, psychological, and cultural aspects of aging, including some of the particular challenges that older individuals face.

Subject:
Social Studies
History
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/08/2019
The Agricultural Revolution: Crash Course World History #1
Rating

In which John Green investigates the dawn of human civilization. John looks into how people gave up hunting and gathering to become agriculturalists, and how that change has influenced the world we live in today. Also, there are some jokes about cheeseburgers.

Subject:
History
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/15/2019
Alan Turing: Crash Course Computer Science #15
Rating

Today we’re going to take a step back from programming and discuss the person who formulated many of the theoretical concepts that underlie modern computation - the father of computer science himself: Alan Turing. Now normally we try to avoid “Great Man" history in Crash Course because truthfully all milestones in humanity are much more complex than just an individual or through a single lens - but for Turing we are going to make an exception. From his theoretical Turing Machine and work on the Bombe to break Nazi Enigma codes during World War II, to his contributions in the field of Artificial Intelligence (before it was even called that), Alan Turing helped inspire the first generation of computer scientists - despite a life tragically cut short.

Subject:
Computer Science
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/08/2019
Alchemy: History of Science #10
Rating

In fantasy stories, charlatans in fancy robes promise to turn lead into gold. But real alchemists weren’t just mystical misers. They were skilled experimentalists, backed by theories of matter.
And they played a huge role in the development of knowledge about one of our fundamental questions: “what is stuff?”

Subject:
Science
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
01/31/2019
Alexander the Great and the Situation ... the Great? Crash Course World History #8
Rating

In which you are introduced to the life and accomplishments of Alexander the Great, his empire, his horse Bucephalus, the empires that came after him, and the idea of Greatness. Is greatness a question of accomplishment, of impact, or are people great because the rest of us decide they're great?

Subject:
History
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/15/2019
All Night Demon Dance Party - Kathakali: Crash Course Theater #24
Rating

This week, we're headed back to India to learn about the all night dance shows that culminate in killing a Demon (metaphorically): Kathakali! This form arose in the Kerala region of India, and tells traditional Indian stories, but with really remarkable makeup, hand positions, and dance moves.

Subject:
Drama
Theatre Arts
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/07/2019
The Amazing Life and Strange Death of Captain Cook: Crash Course World History #27
Rating

In which John Green teaches you about the life and death of one of history's great explorers, Captain James Cook of the British Navy. He charted large swaths of the Pacific ocean, laid claim to Australia and New Zealand, and died a bizarre death in the Sandwich Islands, which are now called the Hawaiian Islands. Exactly how and why Captain Cook was killed in Hawaii is a long-running historical debate. John presents two interpretations of the event, and talks about what the differing interpretations say about history. It turns out how the story is told depends on who is doing the storytelling, and people from different backgrounds can interpret events in very different ways. Also, there is a celebration and a moustache involved in this episode, so you definitely don't want to miss it.

Subject:
History
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/15/2019
Ancient Egypt: Crash Course World History #4
Rating

In which John covers the long, long history of ancient Egypt, including the Old, Middle and New Kingdoms, and even a couple of intermediate periods. Learn about mummies, pharaohs, pyramids and the Nile with John Green.

Subject:
History
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
02/15/2019
Ancient & Medieval Medicine: Crash Course History of Science #9
Rating

The history of medicine is about two of our big questions: one, what is life? What makes it so special, so fragile, so… goopy!?
Two, how do we know what we know? Why should I take my doctor’s advice? Why are deep-fried Oreos bad for me?
It may be tempting to look at medicine as a science that has simply progressed over time—that medicine used to be bad, and its history is a story of how it got better.

Subject:
Science
Material Type:
Activity/Lab
Author:
Crashcourse
Date Added:
01/31/2019