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  • 18:29 US History Overview 1: Jamestown to the Civil War

    US History Overview 1: Jamestown to the Civil War

    603 views / 3 likes - added

    Jamestown to the Civil War. Correction: Jamestown was the first successful ENGLISH settlement in what is now the United States. The Spanish actually settled St. Augustine, Florida in 1595. More free lessons at: http://www.khanacademy.org/video?v=ghgPq2wjQ

  • 02:49 Probability Space

    Probability Space

    470 views / 0 likes - added

    Basics of what a probability space is

  • 10:16 Comparative Advantage and Absolute Advantage

    Comparative Advantage and Absolute Advantage

    362 views / 0 likes - added

    Showing that a party benefits from trade as long as there is a comparative advantage (and not necessarily an absolute advantage) More free lessons at: http://www.khanacademy.org/video?v=xN3UV5FsBkU

  • 04:37 Constant Unit Elasticity

    Constant Unit Elasticity

    291 views / 0 likes - added

    What a demand curve with constant unit elasticity would look like More free lessons at: http://www.khanacademy.org/video?v=m7qXvQvWlY4

  • 05:40 Percentage Tax on Hamburgers

    Percentage Tax on Hamburgers

    358 views / 0 likes - added

    What would happen if we have a percentage tax instead of a fixed dollar amount More free lessons at: http://www.khanacademy.org/video?v=xwOTlMaerEQ

  • 08:43 Deriving Demand Curve from Tweaking Marginal Utility per Dollar

    Deriving Demand Curve from Tweaking Marginal Utility per Dollar

    346 views / 0 likes - added

    Seeing what happens to quantity demanded when price changes More free lessons at: http://www.khanacademy.org/video?v=4-_-wQc3EGE

  • 12:11 Budget Line

    Budget Line

    255 views / 0 likes - added

    What I can buy with my income More free lessons at: http://www.khanacademy.org/video?v=Uq5Wzs96tiw

  • 09:24 Optimal Point on Budget Line

    Optimal Point on Budget Line

    360 views / 0 likes - added

    Using indifference curves to think about the point on the budget line that maximizes total utility More free lessons at: http://www.khanacademy.org/video?v=nhSSu0Nzs30

  • 05:44 Monopoly Basics

    Monopoly Basics

    283 views / 0 likes - added

    Thinking about what would happen with one airline. The opposite of perfect competition More free lessons at: http://www.khanacademy.org/video?v=77CApfQlTuE

  • 05:57 Monopolist Optimizing Price (part 3)- Dead Weight Loss.avi

    Monopolist Optimizing Price (part 3)- Dead Weight Loss.avi

    264 views / 0 likes - added

    Showing that what is optimal for the monopolist is not optimal for society More free lessons at: http://www.khanacademy.org/video?v=daxL1ZLrUzg

  • 04:56 Optional Calculus Proof to Show that MR has Twice Slope of Demand

    Optional Calculus Proof to Show that MR has Twice Slope of Demand

    346 views / 0 likes - added

    Using some basic calculus to show that marginal revenue has twice the slope of the demand curve for a monopolist More free lessons at: http://www.khanacademy.org/video?v=atI4QH2acuw

  • 09:21 Oligopolies and Monopolistic Competition

    Oligopolies and Monopolistic Competition

    305 views / 0 likes - added

    Thinking about different markets that are in-between monopolies and perfect competition More free lessons at: http://www.khanacademy.org/video?v=PzDthFTzEa0

  • 11:59 Parsing Gross Domestic Product

    Parsing Gross Domestic Product

    258 views / 0 likes - added

    Understanding what GDP does and doesn't measure. More free lessons at: http://www.khanacademy.org/video?v=zh8XASZxo1Q

  • 02:50 More on Final and Intermediate GDP Contributions

    More on Final and Intermediate GDP Contributions

    243 views / 0 likes - added

    What happens when a good is not finished in a period More free lessons at: http://www.khanacademy.org/video?v=C1pHvEAKmLA

  • 08:47 Phillips Curve

    Phillips Curve

    340 views / 0 likes - added

    The observation that inflation and unemployment tend to be inversely correlated More free lessons at: http://www.khanacademy.org/video?v=v7ZWTZ9NgU4

  • 05:18 Shifts in Aggregate Demand

    Shifts in Aggregate Demand

    239 views / 0 likes - added

    Factors that might shift aggregate demand More free lessons at: http://www.khanacademy.org/video?v=scN-1B6plos

  • 11:10 Short-Run Oil Prices

    Short-Run Oil Prices

    263 views / 0 likes - added

    Thinking about what moves oil prices More free lessons at: http://www.khanacademy.org/video?v=ZxtlcZ-d90o

  • 09:02 Mathy Version of MPC and Multiplier (optional)

    Mathy Version of MPC and Multiplier (optional)

    400 views / 0 likes - added

    Generalizing what we did in the last video with more math More free lessons at: http://www.khanacademy.org/video?v=czfJKPN-HEo

  • 10:36 Greek Financial Crisis (part 2)

    Greek Financial Crisis (part 2)

    297 views / 0 likes - added

    What Greece could have done if it had it's own currency More free lessons at: http://www.khanacademy.org/video?v=CkNArgNPI2Y

  • 13:47 What it means to buy a company's stock

    What it means to buy a company's stock

    299 views / 0 likes - added

    What it means to buy a company's stock More free lessons at: http://www.khanacademy.org/video?v=98qfFzqDKR8

  • 16:30 Roth IRAs

    Roth IRAs

    326 views / 0 likes - added

    Overview of what a Roth IRA is. More free lessons at: http://www.khanacademy.org/video?v=th06SCNNZ60

  • 13:04 Personal bankruptcy - Chapters 7 and 13

    Personal bankruptcy - Chapters 7 and 13

    256 views / 0 likes - added

    What is bankruptcy? More free lessons at: http://www.khanacademy.org/video?v=H3tg4bH5JuY

  • 18:27 Introduction to mortgage loans

    Introduction to mortgage loans

    279 views / 0 likes - added

    Explains mortgages. This will help you understand what you are doing when you are paying a mortgage. More free lessons at: http://www.khanacademy.org/video?v=IDHJCEKeHLc

  • 08:42 Introduction to bonds

    Introduction to bonds

    324 views / 0 likes - added

    What it means to buy a bond More free lessons at: http://www.khanacademy.org/video?v=Qh-M3_L4xYk

  • 04:08 Basics of US income tax rate schedule

    Basics of US income tax rate schedule

    292 views / 0 likes - added

    Understanding that a marginal tax rate does not apply to all of income More free lessons at: http://www.khanacademy.org/video?v=OGVJfcSckUs

  • 11:15 Popular SOPA and PIPA

    SOPA and PIPA

    1,268 views / 0 likes - added

    What SOPA and PIPA are at face value and what they could end up enabling More free lessons at: http://www.khanacademy.org/video?v=tzqMoOk9NWc

  • 09:12 Koch Snowflake Fractal

    Koch Snowflake Fractal

    440 views / 0 likes - added

    A shape that has an infinite perimeter but finite area More free lessons at: http://www.khanacademy.org/video?v=azBNsPa1WC4

  • 07:31 FICA Tax

    FICA Tax

    264 views / 0 likes - added

    How the FICA tax is calculated and what it stands for More free lessons at: http://www.khanacademy.org/video?v=UP9xy2eVj7s

  • 15:43 Calculus: Derivatives 1 (new HD version)

    Calculus: Derivatives 1 (new HD version)

    520 views / 0 likes - added

    Calculus-Derivative: Understanding that the derivative is just the slope of a curve at a point (or the slope of the tangent line) More free lessons at: http://www.khanacademy.org/video?v=ANyVpMS3HL4

  • 05:20 While Loops in Python

    While Loops in Python

    342 views / 0 likes - added

    Seeing that a while loop can do the same thing as a for loop

  • 13:58 Fun with Strings

    Fun with Strings

    519 views / 0 likes - added

    Experimenting and seeing what we can do with strings

  • 09:24 Stepping Through the Factorial Program

    Stepping Through the Factorial Program

    343 views / 0 likes - added

    Stepping through what happens when a user inputs a particular value into our factorial program

  • 09:12 Diagramming What Happens with a Function Call

    Diagramming What Happens with a Function Call

    345 views / 0 likes - added

    Variable scope and function calls

  • 02:12 Exercise - Write a Sorting Function

    Exercise - Write a Sorting Function

    353 views / 0 likes - added

    Challenge to write a Python function that can sort a list in-place

  • 11:55 Stepping Through Insertion Sort Function

    Stepping Through Insertion Sort Function

    341 views / 0 likes - added

    Clarifying what "break" does and stepping through the insertion sort implementation

  • 09:34 Projectile motion (part 5)

    Projectile motion (part 5)

    265 views / 0 likes - added

    How fast was the ball that you threw upwards? More free lessons at: http://www.khanacademy.org/video?v=dlpmllTx5MY

  • 10:08 Introduction to centripetal acceleration (part 1)

    Introduction to centripetal acceleration (part 1)

    317 views / 0 likes - added

    Intuition behind what it takes to make something travel in a circle

  • 10:01 Visual Proof: a= v^2/r

    Visual Proof: a= v^2/r

    319 views / 0 likes - added

    Visual proof that centripetal acceleration = v^2/r

  • 10:14 Calculus Proof that a=v^2/r

    Calculus Proof that a=v^2/r

    398 views / 0 likes - added

    Using calculus and vectors to show that centripetal acceleration = v^2/r

  • 04:12 Correction Calendar Notation

    Correction Calendar Notation

    362 views / 0 likes - added

    Correcting the time difference calculation by taking into account that there is no year 0 More free lessons at: http://www.khanacademy.org/video?v=N06Jy-gQog8

  • 02:06 What Causes Precession and Other Orbital Changes

    What Causes Precession and Other Orbital Changes

    264 views / 0 likes - added

    What causes precession and other orbital changes More free lessons at: http://www.khanacademy.org/video?v=nL6LMX8-bPY

  • 10:35 Potassium-Argon (K-Ar) Dating

    Potassium-Argon (K-Ar) Dating

    384 views / 0 likes - added

    How K-Ar dating can be used to date very old volcanic rock and the things that might be buried in between More free lessons at: http://www.khanacademy.org/video?v=NMZ5kJEviD0

  • 10:30 Probability (part 1)

    Probability (part 1)

    330 views / 0 likes - added

    What probability is. More free lessons at: http://www.khanacademy.org/video?v=3ER8OkqBdpE

  • 12:48 Nucleophilicity vs. Basicity

    Nucleophilicity vs. Basicity

    303 views / 0 likes - added

    Nucleophilicity vs. Basicity . The difference between what it means to be a nucleophile and a base More free lessons at: http://www.khanacademy.org/video?v=Mx7KM-k2MMo

  • 01:04 Ape Clarification

    Ape Clarification

    249 views / 0 likes - added

    Ape Clarification - that they have no tails More free lessons at: http://www.khanacademy.org/video?v=oFGkYA_diDA

  • 11:36 Intelligent Design and Evolution

    Intelligent Design and Evolution

    319 views / 0 likes - added

    The argument that evolution speaks to being the most "intelligent design" More free lessons at: http://www.khanacademy.org/video?v=qxOEz9aPZNY

  • 12:36 Cancer

    Cancer

    553 views / 1 likes - added

    An introduction to what cancer is and how it is the by-product of broken DNA replication More free lessons at: http://www.khanacademy.org/video?v=RZhL7LDPk8w

  • 13:35 ATP: Adenosine Triphosphate

    ATP: Adenosine Triphosphate

    459 views / 0 likes - added

    Introduction to ATP or Adenosine Triphosphate

  • 08:49 Species

    Species

    343 views / 1 likes - added

    What a species is and isn't. Ligers, tiglons, mule, hinnies, and dogs More free lessons at: http://www.khanacademy.org/video?v=Tmt4zrDK3dA

  • 12:13 Periodic Table Trends: Ionization Energy

    Periodic Table Trends: Ionization Energy

    302 views / 0 likes - added

    What an ion is. Using the periodic table to understand how difficult it is to ionize an atom. More free lessons at: http://www.khanacademy.org/video?v=ywqg9PorTAw

  • 14:43 Le Chatelier's Principle

    Le Chatelier's Principle

    344 views / 0 likes - added

    Le Chatelier's Principle regarding the "stressing" of reactions in equilibrium More free lessons at: http://www.khanacademy.org/video?v=4-fEvpVNTlE

  • 12:22 Exponential Decay Formula Proof (can skip, involves Calculus)

    Exponential Decay Formula Proof (can skip, involves Calculus)

    405 views / 0 likes - added

    Showing that N(t)=Ne^(-kt) describes the amount of a radioactive substance we have at time T. For students with background in Calculus. Not necessary for intro chemistry class. More free lessons at: http://www.khanacademy.org/video?v=H7nrVDV8ahc

  • 16:56 Proof: U=(3/2)PV or U=(3/2)nRT

    Proof: U=(3/2)PV or U=(3/2)nRT

    453 views / 0 likes - added

    Conceptual proof that the internal energy of an ideal gas system is 3/2 PV. More free lessons at: http://www.khanacademy.org/video?v=qSFY7GKhSRs

  • 19:03 Work Done by Isothermic Process

    Work Done by Isothermic Process

    324 views / 0 likes - added

    Isothermic and Adiabatic processes. Calculating the work done by an isothermic process. Seeing that it is the same as the heat added. More free lessons at: http://www.khanacademy.org/video?v=iiFWoXQPOJc

  • 15:38 Proof: S (or Entropy) is a valid state variable

    Proof: S (or Entropy) is a valid state variable

    308 views / 0 likes - added

    Prroof that S (or entropy) is a valid state variable. More free lessons at: http://www.khanacademy.org/video?v=sPz5RrFus1Q

  • 15:38 Thermodynamic Entropy Definition Clarification

    Thermodynamic Entropy Definition Clarification

    272 views / 0 likes - added

    Clarifying that the thermodynamic definition of Entropy requires a reversible system. More free lessons at: http://www.khanacademy.org/video?v=PFcGiMLwjeY

  • 19:15 Entropy Intuition

    Entropy Intuition

    267 views / 0 likes - added

    A discussion of what entropy is and what it isn't. More free lessons at: http://www.khanacademy.org/video?v=xJf6pHqLzs0

  • 13:27 Maxwell's Demon

    Maxwell's Demon

    340 views / 0 likes - added

    Maxwell's Demon: A thought experiment that seems to defy the 2nd Law of Thermodynamics More free lessons at: http://www.khanacademy.org/video?v=aKRDvSZ-igA

  • 08:56 More on Entropy

    More on Entropy

    269 views / 0 likes - added

    More clarification as to what entropy is and what entropy is not. More free lessons at: http://www.khanacademy.org/video?v=dFFzAP2OZ3E

  • 12:17 Carnot Efficiency 3:  Proving that it is the most efficient

    Carnot Efficiency 3: Proving that it is the most efficient

    275 views / 0 likes - added

    Proving that a Carnot Engine is the most efficient engine More free lessons at: http://www.khanacademy.org/video?v=LUoUb4hGMH8

  • 06:50 Liar Truthteller Brain Teaser

    Liar Truthteller Brain Teaser

    506 views / 0 likes - added

    How to get correct advice when you can only ask one question from either a liar or a truthteller (when you don't know who is what) More free lessons at: http://www.khanacademy.org/video?v=69rDtSpshAw

  • 07:25 Brain Teaser: Blue Forehead Room

    Brain Teaser: Blue Forehead Room

    541 views / 0 likes - added

    What happens when 100 perfect logicians have to figure out if they each have a blue forehead? More free lessons at: http://www.khanacademy.org/video?v=rBaCDC52NOY

  • 12:53 Unemployment

    Unemployment

    318 views / 0 likes - added

    Analyzing unemployment data to show that "real" unemployment is worse than the headline numbers show. More free lessons at: http://www.khanacademy.org/video?v=vUOiOi-XaoQ

  • 12:25 Geithner Plan 2.5

    Geithner Plan 2.5

    391 views / 0 likes - added

    More exotic ways that a bank could buy transfer exposure to the taxpayer. More free lessons at: http://www.khanacademy.org/video?v=0FxRYePmogU

  • 13:07 Statistics: Standard Deviation

    Statistics: Standard Deviation

    281 views / 0 likes - added

    Review of what we've learned. Introduction to the standard deviation. More free lessons at: http://www.khanacademy.org/video?v=HvDqbzu0i0E

  • 26:04 Normal Distribution Excel Exercise

    Normal Distribution Excel Exercise

    418 views / 0 likes - added

    (Long-26 minutes) Presentation on spreadsheet to show that the normal distribution approximates the binomial distribution for a large number of trials. More free lessons at: http://www.khanacademy.org/video?v=yTGEMoaWDCQ

  • 06:47 Squared Error of Regression Line

    Squared Error of Regression Line

    474 views / 0 likes - added

    Introduction to the idea that one can find a line that minimizes the squared distances to the points More free lessons at: http://www.khanacademy.org/video?v=6OvhLPS7rj4

  • 10:52 Bailout 2: Book Value

    Bailout 2: Book Value

    419 views / 0 likes - added

    Hypothetical bank balance sheet. What book value means. More free lessons at: http://www.khanacademy.org/video?v=YJBqGM29_64

  • 10:33 Bailout 3: Book value vs. market value

    Bailout 3: Book value vs. market value

    440 views / 0 likes - added

    What it means when the market value of a stock is different from its book value. More free lessons at: http://www.khanacademy.org/video?v=TUOQZjotyAQ

  • 10:51 Bailout 5: Paying off the debt

    Bailout 5: Paying off the debt

    370 views / 0 likes - added

    How the bank can liquidate assets to pay off debt that comes due. More free lessons at: http://www.khanacademy.org/video?v=I8BLj7cRM7c

  • 10:25 Bailout 7: Bank goes into bankruptcy

    Bailout 7: Bank goes into bankruptcy

    430 views / 0 likes - added

    What happens when there is no equity infusion and the bank goes in to bankruptcy. More free lessons at: http://www.khanacademy.org/video?v=MdIfefLcdoU

  • 11:53 Bailout 8: Systemic Risk

    Bailout 8: Systemic Risk

    395 views / 0 likes - added

    How the banks are connected. What happens when one bank fails. More free lessons at: http://www.khanacademy.org/video?v=gX9aKDeAOz4

  • 11:06 Bailout 9: Paulson's Plan

    Bailout 9: Paulson's Plan

    388 views / 0 likes - added

    What Paulson wants to do and why I don't like it. More free lessons at: http://www.khanacademy.org/video?v=eBYbnYNl0rw

  • 12:22 Bailout 14: Possible Solution

    Bailout 14: Possible Solution

    416 views / 0 likes - added

    A solution that is MUCH fairer that has a MUCH better chance of working! More free lessons at: http://www.khanacademy.org/video?v=BdmI14oSe4g

  • 09:22 Banking 10:  Introduction to leverage (bad sound)

    Banking 10: Introduction to leverage (bad sound)

    461 views / 0 likes - added

    What leverage is. Why it is is good or bad. Leverage and insolvency. More free lessons at: http://www.khanacademy.org/video?v=8fxilNdEQTo

  • 11:19 Banking 12:  Treasuries (government debt)

    Banking 12: Treasuries (government debt)

    474 views / 0 likes - added

    Introduction to government debt and treasuries. What it means when we say that Federal Reserve Notes are issued by the Reserve bank but are an obligation of the Government. More free lessons at: http://www.khanacademy.org/video?v=JBWdbzzYbtU

  • 10:13 Banking 17: What happened to the gold?

    Banking 17: What happened to the gold?

    487 views / 0 likes - added

    Getting off the gold standard. A short discussion of the meaning of wealth. More free lessons at: http://www.khanacademy.org/video?v=NFDMXwwzyIM

  • 11:03 What is a differential equation

    What is a differential equation

    333 views / 0 likes - added

    What a differential equation is and some terminology.

  • 08:26 Integrating factors 2

    Integrating factors 2

    293 views / 0 likes - added

    Now that we've made the equation exact, let's solve it! More free lessons at: http://www.khanacademy.org/video?v=0NyeDUhKwBE

  • 10:28 Complex roots of the characteristic equations 1

    Complex roots of the characteristic equations 1

    327 views / 0 likes - added

    What happens when the characteristic equations has complex roots?! More free lessons at: http://www.khanacademy.org/video?v=6xEO4BeawzA

  • 10:24 Complex roots of the characteristic equations 2

    Complex roots of the characteristic equations 2

    330 views / 0 likes - added

    What happens when the characteristic equation has complex roots? More free lessons at: http://www.khanacademy.org/video?v=jJyRrIZ595c

  • 11:58 Repeated roots of the characteristic equation

    Repeated roots of the characteristic equation

    271 views / 0 likes - added

    What happens when the characteristic equation only has 1 repeated root? More free lessons at: http://www.khanacademy.org/video?v=NW9JfMvIsxw

  • 19:12 Laplace/Step Function Differential Equation

    Laplace/Step Function Differential Equation

    474 views / 0 likes - added

    Hairy differential equation involving a step function that we use the Laplace Transform to solve. More free lessons at: http://www.khanacademy.org/video?v=R0JY8oWsuOY

  • 11:51 Introduction to matrices

    Introduction to matrices

    315 views / 0 likes - added

    What a matrix is. How to add and subtract them.

  • 21:10 Matrix Vector Products

    Matrix Vector Products

    473 views / 0 likes - added

    Defining and understanding what it means to take the product of a matrix and a vector More free lessons at: http://www.khanacademy.org/video?v=7Mo4S2wyMg4

  • 10:23 Introduction to the Null Space of a Matrix

    Introduction to the Null Space of a Matrix

    398 views / 0 likes - added

    Showing that the Null Space of a Matrix is a valid Subspace More free lessons at: http://www.khanacademy.org/video?v=jCwRV1QL_Xs

  • 08:33 Showing relation between basis cols and pivot cols

    Showing relation between basis cols and pivot cols

    385 views / 0 likes - added

    Showing that linear independence of pivot columns implies linear independence of the corresponding columns in the original equation More free lessons at: http://www.khanacademy.org/video?v=BfVjTOjvI30

  • 13:40 Showing that the candidate basis does span C(A)

    Showing that the candidate basis does span C(A)

    384 views / 0 likes - added

    Showing that just the columns of A associated with the pivot columns of rref(A) do indeed span C(A). More free lessons at: http://www.khanacademy.org/video?v=CkQOCnLWPUA

  • 18:11 Image of a subset under a transformation

    Image of a subset under a transformation

    400 views / 0 likes - added

    Exploring what happens to a subset of the domain under a transformation More free lessons at: http://www.khanacademy.org/video?v=MIAmN5kgp3k

  • 16:37 im(T):  Image of a Transformation

    im(T): Image of a Transformation

    436 views / 0 likes - added

    Showing that the image of a subspace under a transformation is also a subspace. Definition of the image of a Transformation. More free lessons at: http://www.khanacademy.org/video?v=hZ827mfh1Jo

  • 06:59 Unit Vectors

    Unit Vectors

    442 views / 0 likes - added

    What unit vectors are and how to construct them More free lessons at: http://www.khanacademy.org/video?v=lQn7fksaDq0

  • 11:59 Matrix Product Associativity

    Matrix Product Associativity

    435 views / 0 likes - added

    Showing that matrix products are associative More free lessons at: http://www.khanacademy.org/video?v=Hhc96U_HvQE

  • 09:52 Distributive Property of Matrix Products

    Distributive Property of Matrix Products

    482 views / 0 likes - added

    Showing that matrix products exhibit the distributive property More free lessons at: http://www.khanacademy.org/video?v=oMWTMj78cwc

  • 20:00 Linear Algebra: Matrix condition for one-to-one trans

    Linear Algebra: Matrix condition for one-to-one trans

    446 views / 0 likes - added

    Showing that the rank of the of an mxn transformation matrix has to be an for the transformation to be one-to-one (injective) More free lessons at: http://www.khanacademy.org/video?v=M3FuL9qKTBs

  • 06:37 Linear Algebra: Simplifying conditions for invertibility

    Linear Algebra: Simplifying conditions for invertibility

    393 views / 0 likes - added

    Showing that a transformation is invertible if and only if rref(A) is equal to the identity matrix More free lessons at: http://www.khanacademy.org/video?v=Yz2OosyMTmY

  • 21:25 Linear Algebra: Showing that Inverses are Linear

    Linear Algebra: Showing that Inverses are Linear

    385 views / 0 likes - added

    Showing that inverse transformations are also linear More free lessons at: http://www.khanacademy.org/video?v=mr9Tow8hpCg

  • 02:52 Linear Algebra: (correction) scalar muliplication of row

    Linear Algebra: (correction) scalar muliplication of row

    532 views / 0 likes - added

    Correction of last video showing that the determinant when one row is multiplied by a scalar is equal to the scalar times the determinant More free lessons at: http://www.khanacademy.org/video?v=WY6QG0mZ7uQ

  • 16:55 Linear Algebra: Determinant when row is added

    Linear Algebra: Determinant when row is added

    429 views / 0 likes - added

    The determinant when one matrix has a row that is the sum of the rows of other matrices (and every other term is identical in the 3 matrices) More free lessons at: http://www.khanacademy.org/video?v=VrB3LaSD_uo

  • 10:25 Linear Algebra: Determinant after row operations

    Linear Algebra: Determinant after row operations

    412 views / 0 likes - added

    What happens to the determinant when we perform a row operation More free lessons at: http://www.khanacademy.org/video?v=kpG7xySkivg

  • 21:38 Linear Algebra:  Determinant and area of a parallelogram

    Linear Algebra: Determinant and area of a parallelogram

    522 views / 0 likes - added

    Realizing that the determinant of a 2x2 matrix is equal to the area of the parallelogram defined by the column vectors of the matrix More free lessons at: http://www.khanacademy.org/video?v=n-S63_goDFg

  • 14:10 Linear Algebra:  Determinant of Transpose

    Linear Algebra: Determinant of Transpose

    448 views / 0 likes - added

    Proof by induction that transposing a matrix does not change its determinant More free lessons at: http://www.khanacademy.org/video?v=x-GV2v0dRNE

  • 09:27 Linear Algebra: dim(V) + dim(orthogonoal complelent of V)=n

    Linear Algebra: dim(V) + dim(orthogonoal complelent of V)=n

    393 views / 0 likes - added

    Showing that if V is a subspace of Rn, then dim(V) + dim(V's orthogonal complement) = n More free lessons at: http://www.khanacademy.org/video?v=pGhBfkBqok0

  • 27:01 Lin Alg: Representing vectors in Rn using subspace members

    Lin Alg: Representing vectors in Rn using subspace members

    415 views / 0 likes - added

    Showing that any member of Rn can be represented as a unique sum of a vector in subspace V and a vector in the orthogonal complement of V. More free lessons at: http://www.khanacademy.org/video?v=M6lFqkqvUgo

  • 12:18 Lin Alg:  Orthogonal Complement of the Orthogonal Complement

    Lin Alg: Orthogonal Complement of the Orthogonal Complement

    403 views / 0 likes - added

    Finding that the orthogonal complement of the orthogonal complement of V is V More free lessons at: http://www.khanacademy.org/video?v=zlI8mx8Hc8o

  • 19:12 Lin Alg: Unique rowspace solution to Ax=b

    Lin Alg: Unique rowspace solution to Ax=b

    448 views / 0 likes - added

    Showing that, for any b that is in the column space of A, there is a unique member of the row space that is the "smallest" solution to Ax=b More free lessons at: http://www.khanacademy.org/video?v=czIYvs9zj2g

  • 12:34 Lin Alg: Showing that A-transpose x A is invertible

    Lin Alg: Showing that A-transpose x A is invertible

    452 views / 0 likes - added

    Showing that (transpose of A)(A) is invertible if A has linearly independent columns More free lessons at: http://www.khanacademy.org/video?v=ESSMQH6Y5OA

  • 09:28 Linear Alg: Visualizing a projection onto a plane

    Linear Alg: Visualizing a projection onto a plane

    416 views / 0 likes - added

    Visualizing a projection onto a plane. Showing that the old and new definitions of projections aren't that different. More free lessons at: http://www.khanacademy.org/video?v=uWbZlJURkfA

  • 16:16 Lin Alg: A Projection onto a Subspace is a Linear Transforma

    Lin Alg: A Projection onto a Subspace is a Linear Transforma

    444 views / 0 likes - added

    Showing that a projection onto a subspace is a linear transformation More free lessons at: http://www.khanacademy.org/video?v=cTyNpXB92bQ

  • 09:05 Linear Alg: Projection is closest vector in subspace

    Linear Alg: Projection is closest vector in subspace

    434 views / 0 likes - added

    Showing that the projection of x onto a subspace is the closest vector in the subspace to x More free lessons at: http://www.khanacademy.org/video?v=b269qpILOpk

  • 12:36 Lin Alg: Alternate Basis Tranformation Matrix Example Part 2

    Lin Alg: Alternate Basis Tranformation Matrix Example Part 2

    420 views / 0 likes - added

    Showing that the transformation matrix with respect to basis B actually works. Brief point on why someone would want to operate in a different basis to begin with. More free lessons at: http://www.khanacademy.org/video?v=EyORbCPUAd4

  • 11:16 Linear Algebra: Introduction to Orthonormal Bases

    Linear Algebra: Introduction to Orthonormal Bases

    431 views / 0 likes - added

    Looking at sets and bases that are orthonormal -- or where all the vectors have length 1 and are orthogonal to each other. More free lessons at: http://www.khanacademy.org/video?v=7BFx8pt2aTQ

  • 15:28 Linear Algebra: Coordinates with respect to orthonormal bases

    Linear Algebra: Coordinates with respect to orthonormal bases

    531 views / 0 likes - added

    Seeing that orthonormal bases make for good coordinate systems More free lessons at: http://www.khanacademy.org/video?v=SWbis2zWIvo

  • 11:16 Lin Alg:  Orthogonal matrices preserve angles and lengths

    Lin Alg: Orthogonal matrices preserve angles and lengths

    509 views / 0 likes - added

    Showing that orthogonal matrices preserve angles and lengths More free lessons at: http://www.khanacademy.org/video?v=yDwIfYjKEeo

  • 07:43 Linear Algebra: Introduction to Eigenvalues and Eigenvectors

    Linear Algebra: Introduction to Eigenvalues and Eigenvectors

    432 views / 0 likes - added

    What eigenvectors and eigenvalues are and why they are interesting More free lessons at: http://www.khanacademy.org/video?v=PhfbEr2btGQ

  • 13:09 Linear Algebra:  Showing that an eigenbasis makes for good coordinate systems

    Linear Algebra: Showing that an eigenbasis makes for good coordinate systems

    481 views / 0 likes - added

    Showing that an eigenbasis makes for good coordinate systems More free lessons at: http://www.khanacademy.org/video?v=C2PC9185gIw

  • 16:52 Conditional Probability and Combinations

    Conditional Probability and Combinations

    499 views / 0 likes - added

    Probability that I picked a fair coin given that I flipped 4 out of 6 heads. More free lessons at: http://www.khanacademy.org/video?v=xw6utjoyMi4

  • 13:17 Birthday Probability Problem

    Birthday Probability Problem

    566 views / 0 likes - added

    The probability that at least 2 people in a room of 30 share the same birthday. More free lessons at: http://www.khanacademy.org/video?v=9G0w61pZPig

  • 14:16 Acceleration of Aircraft Carrier Takeoff

    Acceleration of Aircraft Carrier Takeoff

    345 views / 0 likes - added

    Using what we know about takeoff velocity and runway length to determine acceleration More free lessons at: http://www.khanacademy.org/video?v=VYgSXBjEA8I

  • 10:35 Would a Brick or Feather Fall Faster

    Would a Brick or Feather Fall Faster

    390 views / 0 likes - added

    What would fall faster on the moon? More free lessons at: http://www.khanacademy.org/video?v=36Rym2q4H94

  • 07:18 Normal Force and Contact Force

    Normal Force and Contact Force

    305 views / 0 likes - added

    The force that keeps a block of ice from falling towards the center of the earth More free lessons at: http://www.khanacademy.org/video?v=1WOrgrIcQZU

  • 12:43 Inclined Plane Force Components

    Inclined Plane Force Components

    438 views / 0 likes - added

    Figuring out the components of the force due to gravity that are parallel and perpendicular to the surface of an inclined plane More free lessons at: http://www.khanacademy.org/video?v=TC23wD34C7k

  • 09:18 Introduction to Momentum

    Introduction to Momentum

    250 views / 0 likes - added

    What momentum is. A simple problem involving momentum. More free lessons at: http://www.khanacademy.org/video?v=XFhntPxow0U

  • 09:13 Unit Vector Notation (part 2)

    Unit Vector Notation (part 2)

    376 views / 0 likes - added

    More on unit vector notation. Showing that adding the x and y components of two vectors is equivalent to adding the vectors visually using the head-to-tail method More free lessons at: http://www.khanacademy.org/video?v=595Tiga1gIg

  • 14:22 Calculus proof of centripetal acceleration formula

    Calculus proof of centripetal acceleration formula

    409 views / 0 likes - added

    Proving that a = v^2/r More free lessons at: http://www.khanacademy.org/video?v=XjCEumlJBno

  • 10:13 Acceleration Due to Gravity at the Space Station

    Acceleration Due to Gravity at the Space Station

    474 views / 0 likes - added

    What is the acceleration due to gravity at the space station More free lessons at: http://www.khanacademy.org/video?v=R5CRZONOHCU

  • 09:47 Fluids (part 1)

    Fluids (part 1)

    301 views / 0 likes - added

    What a fluid is. Difference between liquids and gasses (both fluids). More free lessons at: http://www.khanacademy.org/video?v=Pn5YEMwQb4Y

  • 10:09 Fluids (part 9)

    Fluids (part 9)

    340 views / 0 likes - added

    Second part of the Bernoulli's Equation proof. Beginning of a problem that uses the equation. More free lessons at: http://www.khanacademy.org/video?v=QX2YLR09Q78

  • 08:36 Fluids (part 10)

    Fluids (part 10)

    302 views / 0 likes - added

    Second part of the example that uses Bernoulli's equation. More free lessons at: http://www.khanacademy.org/video?v=NGpJPz44JYc

  • 10:18 Thermodynamics (part 2)

    Thermodynamics (part 2)

    242 views / 0 likes - added

    Example problem that pv=pv. Introduction to temperature. More free lessons at: http://www.khanacademy.org/video?v=x34OTtDE5q8

  • 14:02 Electrostatics (part 1): Introduction to Charge and Coulomb's Law

    Electrostatics (part 1): Introduction to Charge and Coulomb's Law

    365 views / 0 likes - added

    Introduction to Charge and Coulomb's Law (video from May 2008 that I forgot to upload) More free lessons at: http://www.khanacademy.org/video?v=NXMgvrS8Gr8

  • 11:29 Proof (Advanced): Field from infinite plate (part 2)

    Proof (Advanced): Field from infinite plate (part 2)

    437 views / 0 likes - added

    We see that the infinite, uniformly charged plate generates a constant electric field (independent of the height above the plate) More free lessons at: http://www.khanacademy.org/video?v=TxwE4_dXo8s

  • 10:48 Magnetism 3

    Magnetism 3

    303 views / 0 likes - added

    Whats happens when a speeding proton goes through a magnetic field More free lessons at: http://www.khanacademy.org/video?v=LTuGQy4rmmo

  • 11:00 Magnetism 7

    Magnetism 7

    318 views / 0 likes - added

    The magnetic force that two current-carrying wires exert on each other. More free lessons at: http://www.khanacademy.org/video?v=l3hw0twZSCc

  • 09:05 The Bicameral Congress: Crash Course Government and Politics #2

    The Bicameral Congress: Crash Course Government and Politics #2

    471 views / 0 likes - added

    In which Craig Benzine teaches you about the United States Congress, and why it's bicameral, and what bicameral means. Craig tells you what the Senate and House of Representatives are for, some of the history of the institutions, and reveal to you just ho

  • 08:31 Popular Separation of Powers and Checks and Balances: Crash Course Government and Politics #3

    Separation of Powers and Checks and Balances: Crash Course Government and Politics #3

    735 views / 2 likes - added

    In which Craig Benzine teaches you about the US Governments Separation of powers and the system of checks and balances. In theory, the Legislative Branch, the Executive Branch, and the Judicial Brach are designed to keep each other in check, and to keep a

  • 09:15 Federalism: Crash Course Government and Politics #4

    Federalism: Crash Course Government and Politics #4

    441 views / 0 likes - added

    In which Craig Benzine teaches you about federalism, or the idea that in the United States, power is divided between the national government and the 50 state governments. Craig will teach you about how federalism has evolved over the history of the US, an

  • 08:57 Constitutional Compromises: Crash Course Government and Politics #5

    Constitutional Compromises: Crash Course Government and Politics #5

    452 views / 1 likes - added

    In which Craig Benzine teaches you about the compromises met in ratifying the U.S. Constitution. The United State’s didn’t always have its current system of government. Actually, this is it’s second attempt. Craig will delve into the failures (and few suc

  • 08:28 Congressional Committees: Crash Course Government and Politics #7

    Congressional Committees: Crash Course Government and Politics #7

    452 views / 0 likes - added

    This week Craig Benzine clears up the role of committees in Congress. We’ll talk about standing committees, joint committees, conference committees, and caucuses (and not the candidate-choosing kinds) as well as the staff agencies that help advise these c

  • 06:36 Congressional Decisions: Crash Course Government and Politics #10

    Congressional Decisions: Crash Course Government and Politics #10

    388 views / 0 likes - added

    This week Craig breaks out the crystal ball to try and figure out why our congresspeople do the things that they do. We’ll talk about the three motivating factors of congressional decisions - constituency, interest groups, and political parties - and we’l

  • 06:30 Presidential Power: Crash Course Government and Politics #11

    Presidential Power: Crash Course Government and Politics #11

    469 views / 0 likes - added

    This week Craig looks at the expressed powers of the President of the United States - that is the ones you can find in the Constitution. From appointing judges and granting pardons, to vetoing laws and acting as the nation’s chief diplomat on foreign poli

  • 12:12 Introduction to Astronomy: Crash Course Astronomy #1

    Introduction to Astronomy: Crash Course Astronomy #1

    448 views / 1 likes - added

    Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?" -- Table of Contents: What is Astronomy? 3:00 Who Studie

  • 09:29 Cycles in the Sky: Crash Course Astronomy #3

    Cycles in the Sky: Crash Course Astronomy #3

    381 views / 0 likes - added

    This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe. -- Table of Contents: Naked Eye Observations 0:28.4 Constellations 3:09.7 The Color of Stars 2:44.5 View of

  • 10:32 Eclipses: Crash Course Astronomy #5

    Eclipses: Crash Course Astronomy #5

    492 views / 0 likes - added

    The big question in the comments last week was, "BUT WHAT ABOUT ECLIPSES?" Today, Phil breaks 'em down for you. This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse -- As promised, Phil's sun spotting recommendations: Astronome

  • 09:47 Tides: Crash Course Astronomy #8

    Tides: Crash Course Astronomy #8

    545 views / 1 likes - added

    Today Phil explores the world of tides! What is the relationship between tides and gravity? How do planets and their moons become tidally locked? What would happen if you were 300km tall? Important questions. -- Gravity Over Distance 0:44 Tidal Force Para

  • 12:04 The Sun: Crash Course Astronomy #10

    The Sun: Crash Course Astronomy #10

    513 views / 1 likes - added

    Phil takes us for a closer (eye safe!) look at the two-octillion ton star that rules our solar system. We look at the sun's core, plasma, magnetic fields, sunspots, solar flares, coronal mass ejections, and what all of that means for our planet. This epis

  • 09:43 Tissues, Part 4 - Types of Connective Tissues: Crash Course A&P #5

    Tissues, Part 4 - Types of Connective Tissues: Crash Course A&P #5

    565 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: the world. FROM: Laura Love Rathbun Learning is the best thing to do with your you! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're

  • 11:44 Popular The Nervous System, Part 2 - Action! Potential!: Crash Course A&P #9

    The Nervous System, Part 2 - Action! Potential!: Crash Course A&P #9

    713 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Carla FROM: Christopher Next stop is whenever. Just be like, "stop." *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if

  • 10:02 Peripheral Nervous System: Crash Course A&P #12

    Peripheral Nervous System: Crash Course A&P #12

    588 views / 2 likes - added

    It is now time to meet the system that helps your crazy brain stay in touch with the outside world. We follow up last week's tour of the central nervous system with a look at your peripheral nervous system, its afferent and efferent divisions, how it proc

  • 08:49 Autonomic Nervous System: Crash Course A&P #13

    Autonomic Nervous System: Crash Course A&P #13

    602 views / 1 likes - added

    Hank takes you on a tour of your two-part autonomic nervous system. This episode explains how your sympathetic nervous system and parasympathetic nervous system work together as foils, balancing each other out. Their key anatomical differences - where ner

  • 14:25 The Big Bang: Crash Course Big History #1

    The Big Bang: Crash Course Big History #1

    671 views / 2 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about, well, everything. Big History is the history of everything. We're going to start with the Big Bang, take you right through all of history (recorded and otherwise), and even talk a little

  • 14:37 Exploring the Universe: Crash Course Big History #2

    Exploring the Universe: Crash Course Big History #2

    425 views / 0 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They'll teach you about cosmic background radiation, how a bunch of hydrogen and helium turned into stars, formed galaxies, created heavy

  • 14:33 The Sun&The Earth: Crash Course Big History #3

    The Sun&The Earth: Crash Course Big History #3

    525 views / 1 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about our Sun, and the formation of the planets. We're going to focus on the formation and development of the Earth, because that's where people live. You'll learn about the Solar nebula, the bi

  • 13:29 Life Begins: Crash Course Big History #4

    Life Begins: Crash Course Big History #4

    574 views / 0 likes - added

    In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on Earth, and some of the ways that they dev

  • 13:58 The Modern Revolution: Crash Course Big History #8

    The Modern Revolution: Crash Course Big History #8

    455 views / 0 likes - added

    In which Hank and John Green teach you a Crash Course on the modern revolution, and the upside of the progress that humanity has made in the last 500 years or so. And while there are two sides to every history, and many of these changes haven't been great

  • 12:20 The Anthropocene and the Near Future: Crash Course Big History #9

    The Anthropocene and the Near Future: Crash Course Big History #9

    439 views / 0 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about the Anthropocene, an unofficial geological era that covers the last century or so, in which humanity has made massive progress. We've discovered the Higgs-Boson particle, and awesome elect

  • 13:31 The Deep Future: Crash Course Big History #10

    The Deep Future: Crash Course Big History #10

    506 views / 0 likes - added

    Finally, after what seems like eons and eons, the end is nigh. We're talking not only about the end of Crash Course Big History, but also the end of everything. The end of humanity and the end of the universe.John and Hank Green will teach you about what

  • 13:43 Rethinking Civilization - Crash Course World History 201

    Rethinking Civilization - Crash Course World History 201

    409 views / 0 likes - added

    In which John Green returns to teaching World History! This week, we'll be talking about the idea of civilization, some of the traditional hallmarks of so-called civilization, and why some people would choose to live outside the civilization model. It tur

  • 14:04 Money&Debt: Crash Course World History 202

    Money&Debt: Crash Course World History 202

    584 views / 0 likes - added

    In which John Green teaches about filthy, filthy lucre. Money. And Debt. So, what is money? And what is it for? And why do we use money? And why does it all disappear so quickly after payday? John will look into 75% of these questions, and if he doesn't c

  • 11:37 Disease! Crash Course World History 203

    Disease! Crash Course World History 203

    580 views / 1 likes - added

    In which John Green teaches you about disease, and the effects that disease has had in human history. Disease has been with man since the beginning, and it has shaped the way humans operate in a lot of ways. John will teach you about the Black Death, the

  • 10:37 War&Human Nature: Crash Course World History 204

    War&Human Nature: Crash Course World History 204

    577 views / 1 likes - added

    In which John Green teaches you about war! Specifically, John talks about whether humanity is naturally warlike, hard-wired to kill, or if perhaps war is a cultural construct. John will talk about the Hobbes versus Rousseau debate, the effects that war ha

  • 12:48 War and Civilization: Crash Course World History 205

    War and Civilization: Crash Course World History 205

    386 views / 3 likes - added

    In which John Green investigates war, and what exactly it may or may not be good for. Was war a result of human beings organizing into larger and more complex agricultural social orders, or did war maybe create agriculture and "civilization?" It's hard to

  • 10:08 Climate Change, Chaos, and The Little Ice Age - Crash Course World History 206

    Climate Change, Chaos, and The Little Ice Age - Crash Course World History 206

    696 views / 1 likes - added

    In which John Green teaches you about the Little Ice Age. The Little Ice Age was a period of global cooling that occurred from the 13th to the 19th centuries. This cooling was likely caused by a number of factors, including unusual solar activity and volc

  • 07:21 Popular Humans and Energy: Crash Course World History 207

    Humans and Energy: Crash Course World History 207

    720 views / 1 likes - added

    In which Stan Muller subs for John Green and teaches you about energy and humanity. Today we discuss the ideas put forth by Alfred Crosby in his book, Children of the Sun. Historically, almost all of the energy that humans use has been directly or indirec

  • 10:30 Drought and Famine: Crash Course World History #208

    Drought and Famine: Crash Course World History #208

    584 views / 0 likes - added

    In which John Green teaches you a little bit about drought, which is a natural weather phenomenon, and famine, which is almost always the result of human activity. Throughout human history, when food shortages strike humanity, there was food around. There

  • 09:10 Popular HOW World War I Started: Crash Course World History 209

    HOW World War I Started: Crash Course World History 209

    969 views / 6 likes - added

    In which John Green teaches you about World War I and how it got started. Crash Course doesn't usually talk much about dates, but the way that things unfolded in July and August of 1914 are kind of important to understanding the Great War. You'll learn ab

  • 10:56 Popular Who Started World War I: Crash Course World History 210

    Who Started World War I: Crash Course World History 210

    717 views / 3 likes - added

    In which John Green teaches you WHY World War I started. Or tries to anyway. With this kind of thing, it's kind of hard to assign blame to any one of the nations involved. Did the fault lie with Austria-Hungary? Germany? Russia? Julius Caesar? One thing w

  • 12:59 The End of Civilization (In the Bronze Age): Crash Course World History 211

    The End of Civilization (In the Bronze Age): Crash Course World History 211

    527 views / 1 likes - added

    In which John Green teaches you about the Bronze Age civilization in what we today call the middle east, and how the vast, interconnected civilization that encompassed Egypt, The Levant, and Mesopotamia came to an end. What's that you say? There was no su

  • 11:54 The Rise of the West and Historical Methodology: Crash Course World History #212

    The Rise of the West and Historical Methodology: Crash Course World History #212

    508 views / 1 likes - added

    In which John Green talks about the methods of writing history by looking at some of the ways that history has been written about the rise of the West. But first he has to tell you what the West is. And then he has to explain the Rise of the West. And the

  • 12:55 Asian Responses to Imperialism: Crash Course World History #213

    Asian Responses to Imperialism: Crash Course World History #213

    538 views / 0 likes - added

    In which John Green teaches you about Imperialism, but not from the perspective of the colonizers. This week John looks at some Asian perspectives on Imperialism, specifically writers from countries that were colonized by European powers. We'll look at th

  • 12:51 Popular Population, Sustainability, and Malthus: Crash Course World History 215

    Population, Sustainability, and Malthus: Crash Course World History 215

    830 views / 0 likes - added

    In which John Green teaches you about population. So, how many people can reasonably live on the Earth? Thomas Malthus got it totally wrong in the 19th century, but for some reason, he keeps coming up when we talk about population. In 1800, the human popu

  • 13:28 Islam and Politics: Crash Course World History 216

    Islam and Politics: Crash Course World History 216

    594 views / 0 likes - added

    In which John Green teaches you about how Islam has interacted with politics during it's history, and how it continues to do so today. Islamist movements are in the news a lot lately, but how did that happen. John will point out that Islam has alway been

  • 11:44 The Mughal Empire and Historical Reputation: Crash Course World History #217

    The Mughal Empire and Historical Reputation: Crash Course World History #217

    573 views / 0 likes - added

    There's a new Crash Course poster with all your favorite World History characters! Czech it: http://store.dftba.com/products/crashcourse-characters-poster In which John Green teaches you about the Mughal Empire, which ruled large swaths of the Indian Sub-

  • 15:07 Luther and the Protestant Reformation: Crash Course World History #218

    Luther and the Protestant Reformation: Crash Course World History #218

    549 views / 2 likes - added

    In which John Green teaches you about the Protestant Reformation. Prior to the Protestant Reformation, pretty much everyone in Europe was a Roman Catholic. Not to get all great man, but Martin Luther changed all that. Martin Luther didn't like the corrupt

  • 11:02 Popular World War II, A War for Resources: Crash Course World History #220

    World War II, A War for Resources: Crash Course World History #220

    1,050 views / 9 likes - added

    In which John Green teaches you about World War II, and some of the causes behind the war. In a lot of ways, WWII was about resources, and especially about food. The expansionist aggression of both Germany and Japan were in a lot of ways about resources.

  • 11:09 Water and Classical Civilizations: Crash Course World History 222

    Water and Classical Civilizations: Crash Course World History 222

    379 views / 0 likes - added

    In which John Green teaches you about water! So, we talk about resources a lot on Crash Course, and today is no exception. It turns out people can't live without water, which means it's absolutely necessary for civilization. Today John talks about water i

  • 12:53 Conflict in Israel and Palestine: Crash Course World History 223

    Conflict in Israel and Palestine: Crash Course World History 223

    425 views / 0 likes - added

    In which John Green teaches you about conflict in Israel and Palestine. This conflict is often cast as a long-term beef going back thousands of years, and rooted in a clash between religions. Well, that's not quite true. What is true is that the conflict

  • 11:18 The Vikings! - Crash Course World History 224

    The Vikings! - Crash Course World History 224

    621 views / 3 likes - added

    In which John Green teaches you about Vikings! That's right, one of our most requested subjects, the Vikings, right here on Crash Course. So what's the deal with Vikings? Well, the stuff you've heard about them may not be true. The Vikings weren't just pa

  • 13:41 Iran's Revolutions: Crash Course World History 226

    Iran's Revolutions: Crash Course World History 226

    415 views / 0 likes - added

    In which John Green teaches you about Iran's Revolutions. Yes, revolutions plural. What was the1979 Iranian Revolution about? It turns out, Iran has a pretty long history of unrest in order to put power in the hands of the people, and the most recent revo

  • 13:33 Popular Japan in the Heian Period and Cultural History: Crash Course World History 227

    Japan in the Heian Period and Cultural History: Crash Course World History 227

    773 views / 7 likes - added

    In which John Green teaches you about what westerners call the middle ages and the lives of the aristocracy...in Japan. The Heian period in Japan lasted from 794CE to 1185CE, and it was an interesting time in Japan. Rather than being known for a thriving

  • 10:54 Intro to Psychology - Crash Course Psychology #1

    Intro to Psychology - Crash Course Psychology #1

    594 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:14 The Chemical Mind - Crash Course Psychology #3

    The Chemical Mind - Crash Course Psychology #3

    613 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 12:34 Meet Your Master: Getting to Know Your Brain - Crash Course Psychology #4

    Meet Your Master: Getting to Know Your Brain - Crash Course Psychology #4

    498 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:46 Sensation&Perception - Crash Course Psychology #5

    Sensation&Perception - Crash Course Psychology #5

    488 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 10:24 Homunculus - Crash Course Psychology #6

    Homunculus - Crash Course Psychology #6

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  • 10:00 Perceiving is Believing - Crash Course Psychology #7

    Perceiving is Believing - Crash Course Psychology #7

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  • 09:34 Consciousness - Crash Course Psychology #8

    Consciousness - Crash Course Psychology #8

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  • 10:41 Popular To Sleep, Perchance to Dream - Crash Course Psychology #9

    To Sleep, Perchance to Dream - Crash Course Psychology #9

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  • 11:50 Popular How to Train a Brain - Crash Course Psychology #11

    How to Train a Brain - Crash Course Psychology #11

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  • 09:35 The Bobo Beatdown - Crash Course Psychology #12

    The Bobo Beatdown - Crash Course Psychology #12

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  • 09:55 How We Make Memories - Crash Course Psychology #13

    How We Make Memories - Crash Course Psychology #13

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  • 10:18 Remembering and Forgetting - Crash Course Psychology #14

    Remembering and Forgetting - Crash Course Psychology #14

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  • 10:42 Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

    Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

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  • 10:02 Language: Crash Course Psychology #16

    Language: Crash Course Psychology #16

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  • 09:50 The Growth of Knowledge: Crash Course Psychology #18

    The Growth of Knowledge: Crash Course Psychology #18

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  • 11:38 Monkeys and Morality: Crash Course Psychology #19

    Monkeys and Morality: Crash Course Psychology #19

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  • 10:15 Adolescence: Crash Course Psychology #20

    Adolescence: Crash Course Psychology #20

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  • 12:24 Rorschach&Freudians: Crash Course Psychology #21

    Rorschach&Freudians: Crash Course Psychology #21

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  • 11:08 Measuring Personality: Crash Course Psychology #22

    Measuring Personality: Crash Course Psychology #22

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  • 12:39 Controversy of Intelligence: Crash Course Psychology #23

    Controversy of Intelligence: Crash Course Psychology #23

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  • 10:51 Feeling All the Feels: Crash Course Psychology #25

    Feeling All the Feels: Crash Course Psychology #25

    439 views / 1 likes - added

    ***Subbable Message*** To Robert, Thank you for showing me the world, darling! From Amy and That's happiness; to be dissolved into something complete and great. From Ty Scaletta ****** You can directly support Crash Course at http://www.subbable.com/crash

  • 10:10 Psychological Disorders: Crash Course Psychology #28

    Psychological Disorders: Crash Course Psychology #28

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    ***SUBBABLE MESSAGES*** To: Lola From: Daddy You are the best, I love you. *** To: Future Lia From: Mom and Dad Remember that learning isn't just useful, but also really fun! *** You can directly support Crash Course at http://www.subbable.com/crashcourse

  • 11:32 OCD&Anxiety Disorders: Crash Course Psychology #29

    OCD&Anxiety Disorders: Crash Course Psychology #29

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