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  • 02:27 Polyalphabetic Cipher

    Polyalphabetic Cipher

    645 views / 0 likes - added

    Creating a lighter fingerprint with a more intricate word-based cipher More free lessons at: http://www.khanacademy.org/video?v=BgFJD7oCmDE

  • 01:31 Subtracting fractions with common denominators (ex 1)

    Subtracting fractions with common denominators (ex 1)

    522 views / 0 likes - added

    Subtracting fractions with common denominators (ex 1)

  • 04:37 Constant Unit Elasticity

    Constant Unit Elasticity

    491 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

  • 06:52 Taxes and Perfectly Elastic Demand

    Taxes and Perfectly Elastic Demand

    482 views / 0 likes - added

    Who bears the burden for a tax on a good with perfectly elastic demand More free lessons at: http://www.khanacademy.org/video?v=z1yJPpGC3-o

  • 12:11 Budget Line

    Budget Line

    460 views / 0 likes - added

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

  • 05:44 Monopoly Basics

    Monopoly Basics

    509 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

  • 05:39 Example Calculating Real GDP with a Deflator

    Example Calculating Real GDP with a Deflator

    474 views / 0 likes - added

    Simple example of calculating Real GDP from Nominal GDP More free lessons at: http://www.khanacademy.org/video?v=v5YT8GlSxoU

  • 09:18 Demand-Pull Inflation under Johnson

    Demand-Pull Inflation under Johnson

    563 views / 1 likes - added

    Thinking about whether inflation in the late 1960s is consistent with the AD-AS model More free lessons at: http://www.khanacademy.org/video?v=HdqbCvqTb20

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

    Mathy Version of MPC and Multiplier (optional)

    619 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

  • 07:25 Consumption Function with Income Dependent Taxes

    Consumption Function with Income Dependent Taxes

    589 views / 0 likes - added

    Thinking about a consumption function where taxes are also a function of income (which is more realistic than constant taxes) More free lessons at: http://www.khanacademy.org/video?v=wHPGFPIcILM

  • 06:04 Multiplying Binomials with Radicals

    Multiplying Binomials with Radicals

    477 views / 0 likes - added

    u16_l2_t3_we1 Multiplying Binomials with Radicals More free lessons at: http://www.khanacademy.org/video?v=yAH3722GrP8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:01 Rationalizing Denominators with Conjugates

    Rationalizing Denominators with Conjugates

    460 views / 0 likes - added

    u16_l2_t4_we2 Rationalizing Denominators with Conjugates

  • 05:53 Application Problem with Quadratic Formula

    Application Problem with Quadratic Formula

    468 views / 0 likes - added

    u16_l5_t2_we5 Application Problem with Quadratic Formula More free lessons at: http://www.khanacademy.org/video?v=OZtqz_xw0SQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:04 Sum of Logarithms with Same Base

    Sum of Logarithms with Same Base

    459 views / 0 likes - added

    u18_l2_t2_we1 Sum of Logarithms with Same Base More free lessons at: http://www.khanacademy.org/video?v=pkGrXzakRFs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:39 Difference of Logarithms with Same Base

    Difference of Logarithms with Same Base

    484 views / 0 likes - added

    u18_l2_t2_we2 Difference of Logarithms with Same Base

  • 03:37 Natural Logarithm with a Calculator

    Natural Logarithm with a Calculator

    633 views / 0 likes - added

    u18_l3_t1_we1 Natural Logarithm with a Calculator More free lessons at: http://www.khanacademy.org/video?v=Dpo_-GrMpNE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 12:36 Childhood Growth

    Childhood Growth

    629 views / 0 likes - added

    Sal talks with Dr. Laura Bachrach about childhood growth More free lessons at: http://www.khanacademy.org/video?v=gF0aA-si89Y

  • 09:09 Inflammation

    Inflammation

    562 views / 0 likes - added

    Dr. David Agus talks about inflammation (while Sal repeatedly misspells it with one "m") More free lessons at: http://www.khanacademy.org/video?v=GZ6I3T1RAnQ

  • 03:34 Galactic Collisions

    Galactic Collisions

    536 views / 1 likes - added

    Collision of the Milky Way Galaxy with Andromeda (forming "Milkomeda") More free lessons at: http://www.khanacademy.org/video?v=QXYbGZ3T3_k

  • 08:05 Vi and Sal Talk About the Mysteries of Benford's Law

    Vi and Sal Talk About the Mysteries of Benford's Law

    460 views / 0 likes - added

    Vi Hart visits Khan Academy and talks about Benford's Law with Sal More free lessons at: http://www.khanacademy.org/video?v=6KmeGpjeLZ0

  • 10:02 Probability with Playing Cards and Venn Diagrams

    Probability with Playing Cards and Venn Diagrams

    590 views / 0 likes - added

    Probability of compound events. The Addition Rule. Common Core Standard 457 S-CP.7 More free lessons at: http://www.khanacademy.org/video?v=obZzOq_wSCg

  • 13:58 Popular Fun with Strings

    Fun with Strings

    726 views / 0 likes - added

    Experimenting and seeing what we can do with strings

  • 08:09 Writing a Simple Factorial Program. (Python 2)

    Writing a Simple Factorial Program. (Python 2)

    673 views / 0 likes - added

    Writing a simple factorial program with a "for" loop

  • 05:22 Python 3 Not Backwards Compatible with Python 2

    Python 3 Not Backwards Compatible with Python 2

    652 views / 0 likes - added

    Understanding why the example program would not run in Python 3 and how to fix it.

  • 09:12 Diagramming What Happens with a Function Call

    Diagramming What Happens with a Function Call

    527 views / 0 likes - added

    Variable scope and function calls

  • 10:06 Projectile motion (part 10)

    Projectile motion (part 10)

    466 views / 0 likes - added

    Some more examples with projectile motion

  • 01:46 Evaluating Expressions with Two Variables

    Evaluating Expressions with Two Variables

    422 views / 0 likes - added

    u09_l1_t1_we2 Evaluating Expressions with Two Variables More free lessons at: http://www.khanacademy.org/video?v=BXHNzUaIRR0 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:33 Popular Adding integers with different signs

    Adding integers with different signs

    773 views / 0 likes - added

    U09_L2_T1_we2 Adding integers with different signs More free lessons at: http://www.khanacademy.org/video?v=NrVvu7cM8_o Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:52 Adding real numbers with different signs

    Adding real numbers with different signs

    548 views / 0 likes - added

    U09_L2_T2_we1 Adding real numbers with different signs

  • 06:22 Adding fractions with different signs

    Adding fractions with different signs

    535 views / 0 likes - added

    U09_L2_T2_we2 Adding fractions with different signs More free lessons at: http://www.khanacademy.org/video?v=QS1LMomm0Gk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:09 Dividing real numbers with different signs

    Dividing real numbers with different signs

    479 views / 0 likes - added

    U09_L2_T4_we2 Dividing real numbers with different signs

  • 02:02 Application problems with equation in one variable

    Application problems with equation in one variable

    548 views / 0 likes - added

    u10_l1_t3_we2 Application problems with equation in one variable More free lessons at: http://www.khanacademy.org/video?v=iimpwYBiKNg Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 06:23 Dividing polynomials with remainders

    Dividing polynomials with remainders

    500 views / 0 likes - added

    u11_l2_t6_we2 Dividing polynomials with remainders More free lessons at: http://www.khanacademy.org/video?v=pLCmwHsDYqo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:59 Evaluating an expression with multiple variables

    Evaluating an expression with multiple variables

    442 views / 0 likes - added

    u11_l3_t1_we1 Evaluating an expression with multiple variables

  • 03:06 Simplifying an expression with multiple variables

    Simplifying an expression with multiple variables

    462 views / 0 likes - added

    u11_l3_t1_we2 Simplifying an expression with multiple variables

  • 02:10 Subtracting polynomials with multiple variables

    Subtracting polynomials with multiple variables

    493 views / 0 likes - added

    u11_l3_t2_we2 Subtracting polynomials with multiple variables More free lessons at: http://www.khanacademy.org/video?v=AqMT_zB9rP8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:14 Dividing multivariable polynomial with monomial

    Dividing multivariable polynomial with monomial

    625 views / 0 likes - added

    u11_l3_t2_we4 Dividing multivariable polynomial with monomial More free lessons at: http://www.khanacademy.org/video?v=Yu00YJ3tAlo Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:12 Factoring trinomials with a leading 1 coefficient

    Factoring trinomials with a leading 1 coefficient

    513 views / 0 likes - added

    u12_l2_t1_we1 Factoring trinomials with a leading 1 coefficient More free lessons at: http://www.khanacademy.org/video?v=nOZTe8jU2g4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:02 Factoring trinomials with a common factor

    Factoring trinomials with a common factor

    597 views / 0 likes - added

    u12_l2_t1_we2 Factoring trinomials with a common factor More free lessons at: http://www.khanacademy.org/video?v=GMoqg_s4Dl4 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:39 Factoring trinomials with a non-1 leading coefficient by grouping

    Factoring trinomials with a non-1 leading coefficient by grouping

    484 views / 0 likes - added

    u12_l2_t1_we3 Factoring trinomials with a non-1 leading coefficient by grouping More free lessons at: http://www.khanacademy.org/video?v=ISPxJ6JXT8o Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:22 Application problem with graph

    Application problem with graph

    552 views / 0 likes - added

    u13_l1_t2_we4 Application problem with graph More free lessons at: http://www.khanacademy.org/video?v=ljROszF_rqs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 13:44 Popular IIT JEE Integral with Binomial Expansion

    IIT JEE Integral with Binomial Expansion

    782 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 41 Integral with Binomial Expansion and Algebraic Long Division More free lessons at: http://www.khanacademy.org/video?v=1-5sTDLrcp4

  • 07:18 Detectable Civilizations in our Galaxy 3

    Detectable Civilizations in our Galaxy 3

    560 views / 0 likes - added

    Reconciling with the traditional Drake Equation More free lessons at: http://www.khanacademy.org/video?v=LRmwUsxNSL0

  • 11:07 K-Ar Dating Calculation

    K-Ar Dating Calculation

    580 views / 0 likes - added

    Working through a calculation for K-Ar dating (good to have some prior experience with e and logarithms) More free lessons at: http://www.khanacademy.org/video?v=iLFcSfzrlMk

  • 06:45 Algebra: Linear Equations 3

    Algebra: Linear Equations 3

    448 views / 0 likes - added

    Linear equations with multiple variable and constant terms More free lessons at: http://www.khanacademy.org/video?v=Zn-GbH2S0Dk

  • 07:16 Subtraction with Borrowing or Regrouping

    Subtraction with Borrowing or Regrouping

    546 views / 0 likes - added

    u01_l2_t2_we2 Subtraction with Borrowing or Regrouping

  • 03:18 Adding Fractions with Like Denominators

    Adding Fractions with Like Denominators

    635 views / 0 likes - added

    U02_L3_T1_we1 Adding Fractions with Like Denominators More free lessons at: http://www.khanacademy.org/video?v=EJjnEau6aeI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:06 Adding Fractions with Unlike Denominators

    Adding Fractions with Unlike Denominators

    529 views / 0 likes - added

    U02_L3_T1_we2 Adding Fractions with Unlike Denominators More free lessons at: http://www.khanacademy.org/video?v=OVMceVL_CEQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:16 Popular Adding Mixed Numbers with Unlike Denominators

    Adding Mixed Numbers with Unlike Denominators

    802 views / 0 likes - added

    U02_L3_T1_we4 Adding Mixed Numbers with Unlike Denominators More free lessons at: http://www.khanacademy.org/video?v=CfBYGFm5gPA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:01 Estimation with Decimals

    Estimation with Decimals

    534 views / 0 likes - added

    U03_L2_T3_we1 Estimation with Decimals Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:48 Unit Conversion with Fractions

    Unit Conversion with Fractions

    416 views / 0 likes - added

    u6_l1_t1_we1 Unit Conversion with Fractions More free lessons at: http://www.khanacademy.org/video?v=jFSenp9ueaI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:43 Popular Converting within the metric system

    Converting within the metric system

    717 views / 1 likes - added

    U06_L2_T2_we1 Converting within the metric system More free lessons at: http://www.khanacademy.org/video?v=uHaKyNplino Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 11:04 Naming Alkanes with Alkyl Groups

    Naming Alkanes with Alkyl Groups

    472 views / 0 likes - added

    Naming Alkanes with Alkyl Groups More free lessons at: http://www.khanacademy.org/video?v=KKAD-OOOHxg

  • 12:04 Polymerization of Alkenes with Acid

    Polymerization of Alkenes with Acid

    446 views / 0 likes - added

    Polymerization of Alkenes with Acid More free lessons at: http://www.khanacademy.org/video?v=tR-hzV5Tkxo

  • 06:04 Solving Equations with the Distributive Property

    Solving Equations with the Distributive Property

    608 views / 0 likes - added

    U02_L1_T2_we1 : Solving Equations with the Distributive Property More free lessons at: http://www.khanacademy.org/video?v=YZBStgZGyDY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 04:50 Solving equations with the distributive property 2

    Solving equations with the distributive property 2

    493 views / 0 likes - added

    U02_L1_T2_we2: Solving equations with the distributive property 2 More free lessons at: http://www.khanacademy.org/video?v=PL9UYj2awDc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:10 Simplifying Expressions with Exponents

    Simplifying Expressions with Exponents

    444 views / 0 likes - added

    U07_L1_T3_we1 Simplifying Expressions with Exponents More free lessons at: http://www.khanacademy.org/video?v=tdO4UOLW9d8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 03:35 Simplifying Expressions with Exponents 2

    Simplifying Expressions with Exponents 2

    398 views / 0 likes - added

    U07_L1_T3_we2 Simplifying Expressions with Exponents 2 More free lessons at: http://www.khanacademy.org/video?v=xnLcxdM8OD8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:31 Simplifying Expressions with Exponents 3

    Simplifying Expressions with Exponents 3

    415 views / 0 likes - added

    U07_L1_T3_we3 Simplifying Expressions with Exponents 3 More free lessons at: http://www.khanacademy.org/video?v=zwUnRQbWPJU Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:06 Bay Area CBS Station with Salman Khan

    Bay Area CBS Station with Salman Khan

    601 views / 1 likes - added

    Bay Area CBS Station with Salman Khan Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 09:28 Equations with Variables on Both Sides

    Equations with Variables on Both Sides

    534 views / 0 likes - added

    Equations with Variables on Both Sides More free lessons at: http://www.khanacademy.org/video?v=xMsG9hvqzbY

  • 11:46 Predicting with Linear Models

    Predicting with Linear Models

    461 views / 0 likes - added

    Predicting with Linear Models

  • 08:46 Radical Expressions with Higher Roots

    Radical Expressions with Higher Roots

    542 views / 0 likes - added

    Radical Expressions with Higher Roots More free lessons at: http://www.khanacademy.org/video?v=iX7ivCww2ws

  • 04:59 Oxidative Phosphorylation and Chemiosmosis

    Oxidative Phosphorylation and Chemiosmosis

    480 views / 0 likes - added

    Oxidative Phosphorylation and Chemiosmosis (along with slight correction of previous video) More free lessons at: http://www.khanacademy.org/video?v=W_Q17tqw_7A

  • 14:43 Popular Role of the Sarcoplasmic Reticulum in Muscle Cells

    Role of the Sarcoplasmic Reticulum in Muscle Cells

    867 views / 0 likes - added

    The role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell More free lessons at: http://www.khanacademy.org/video?v=SauhB2fYQkM

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

    Exponential Decay Formula Proof (can skip, involves Calculus)

    632 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

  • 12:17 Statistics: Alternate Variance Formulas

    Statistics: Alternate Variance Formulas

    503 views / 0 likes - added

    Playing with the formula for variance of a population. More free lessons at: http://www.khanacademy.org/video?v=sRVGcYGjUk8

  • 08:16 Popular ck12.org Exercise: Standard Normal Distribution and the Empirical Rule

    ck12.org Exercise: Standard Normal Distribution and the Empirical Rule

    884 views / 0 likes - added

    Using the Empirical Rule with a standard normal distribution More free lessons at: http://www.khanacademy.org/video?v=2fzYE-Emar0

  • 13:20 Popular ANOVA 2 - Calculating SSW and SSB (Total Sum of Squares Within and Between).avi

    ANOVA 2 - Calculating SSW and SSB (Total Sum of Squares Within and Between).avi

    769 views / 0 likes - added

    Analysis of Variance 2 - Calculating SSW and SSB (Total Sum of Squares Within and Between).avi More free lessons at: http://www.khanacademy.org/video?v=j9ZPMlVHJVs

  • 10:14 ANOVA 3 -Hypothesis Test with F-Statistic

    ANOVA 3 -Hypothesis Test with F-Statistic

    669 views / 0 likes - added

    Analysis of Variance 3 -Hypothesis Test with F-Statistic More free lessons at: http://www.khanacademy.org/video?v=Xg8_iSkJpAE

  • 11:54 Going back to the till: Series B

    Going back to the till: Series B

    553 views / 0 likes - added

    More on the series A financing. Going back for another round with a series B financing. More free lessons at: http://www.khanacademy.org/video?v=m28RAgUySGQ

  • 11:47 More on IPOs

    More on IPOs

    544 views / 0 likes - added

    Public vs. Private Equity. Why people buy equity to begin with. More free lessons at: http://www.khanacademy.org/video?v=opEy6iN9kqc

  • 08:50 Banking 5: Introduction to Bank Notes

    Banking 5: Introduction to Bank Notes

    615 views / 0 likes - added

    Introduction to bank notes (which you are more familiar with than you realize). More free lessons at: http://www.khanacademy.org/video?v=cNFLqhU4MN0

  • 08:29 Banking 7: Giving out loans without giving out gold

    Banking 7: Giving out loans without giving out gold

    668 views / 0 likes - added

    How banks can give out loans without ever giving out gold. More free lessons at: http://www.khanacademy.org/video?v=On3c86V5A_E

  • 09:45 2nd Order Linear Homogeneous Differential Equations 1

    2nd Order Linear Homogeneous Differential Equations 1

    575 views / 0 likes - added

    Introduction to 2nd order, linear, homogeneous differential equations with constant coefficients. More free lessons at: http://www.khanacademy.org/video?v=UFWAu8Ptth0

  • 09:11 2nd Order Linear Homogeneous Differential Equations 4

    2nd Order Linear Homogeneous Differential Equations 4

    624 views / 0 likes - added

    Another example with initial conditions! More free lessons at: http://www.khanacademy.org/video?v=3uO_uPb9H8w

  • 10:12 Complex roots of the characteristic equations 3

    Complex roots of the characteristic equations 3

    532 views / 0 likes - added

    Lets do an example with initial conditions! More free lessons at: http://www.khanacademy.org/video?v=rGaM6pwqhB0

  • 15:26 Solving 3 Equations with 3 Unknowns

    Solving 3 Equations with 3 Unknowns

    611 views / 0 likes - added

    Solving 3 equations with 3 unknowns (old video from July 2008)

  • 13:53 Defining a plane in R3 with a point and normal vector

    Defining a plane in R3 with a point and normal vector

    683 views / 0 likes - added

    Determining the equation for a plane in R3 using a point on the plane and a normal vector More free lessons at: http://www.khanacademy.org/video?v=UJxgcVaNTqY

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

    Showing that the candidate basis does span C(A)

    620 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

  • 08:19 Popular Linear Algebra: Duplicate Row Determinant

    Linear Algebra: Duplicate Row Determinant

    701 views / 0 likes - added

    Determinant of a matrix with duplicate rows More free lessons at: http://www.khanacademy.org/video?v=gYv8sttBIqs

  • 16:08 Linear Algebra: Coordinates with Respect to a Basis

    Linear Algebra: Coordinates with Respect to a Basis

    646 views / 0 likes - added

    Understanding alternate coordinate systems More free lessons at: http://www.khanacademy.org/video?v=uvgru6FcyxU

  • 18:02 Lin Alg: Transformation Matrix with Respect to a Basis

    Lin Alg: Transformation Matrix with Respect to a Basis

    700 views / 0 likes - added

    Finding the transformation matrix with respect to a non-standard basis More free lessons at: http://www.khanacademy.org/video?v=PiuhTj0zCf4

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

    Lin Alg: Alternate Basis Tranformation Matrix Example Part 2

    913 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

  • 29:00 Popular Lin Alg: Changing coordinate systems to help find a transformation matrix

    Lin Alg: Changing coordinate systems to help find a transformation matrix

    847 views / 0 likes - added

    Changing our coordinate system to find the transformation matrix with respect to standard coordinates More free lessons at: http://www.khanacademy.org/video?v=K_na_j1Msfg

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

    Linear Algebra: Coordinates with respect to orthonormal bases

    756 views / 0 likes - added

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

  • 16:14 Lin Alg: Projections onto subspaces with orthonormal bases

    Lin Alg: Projections onto subspaces with orthonormal bases

    659 views / 0 likes - added

    Projections onto subspaces with orthonormal bases More free lessons at: http://www.khanacademy.org/video?v=we829K4NOq8

  • 06:42 Lin Alg: Finding projection onto subspace with orthonormal basis example

    Lin Alg: Finding projection onto subspace with orthonormal basis example

    656 views / 0 likes - added

    Example of finding the transformation matrix for the projection onto a subspace with an orthonormal basis More free lessons at: http://www.khanacademy.org/video?v=SUoqA9srY1Q

  • 13:57 Linear Algebra:  Gram-Schmidt example with 3 basis vectors

    Linear Algebra: Gram-Schmidt example with 3 basis vectors

    680 views / 0 likes - added

    Gram-Schmidt example with 3 basis vectors More free lessons at: http://www.khanacademy.org/video?v=ZRRG386v6DI

  • 13:18 Singapore Math: Grade 3a, Unit 1 (part 3)

    Singapore Math: Grade 3a, Unit 1 (part 3)

    613 views / 0 likes - added

    Objectives: Read and write numbers less than 10,000. Relate each digit in a 4-digit number to its place value. Compare and order numbers within 10,000.

  • 15:39 Singapore Math: Grade 3a, Unit 1 (part 8)

    Singapore Math: Grade 3a, Unit 1 (part 8)

    459 views / 0 likes - added

    More on number patterns with place value.

  • 17:53 Singapore Math: Grade 3a, Unit 1 (part 9)

    Singapore Math: Grade 3a, Unit 1 (part 9)

    486 views / 0 likes - added

    More number patterns with place value

  • 13:07 Singapore Math: Grade 3a Unit 2 (part 2)

    Singapore Math: Grade 3a Unit 2 (part 2)

    503 views / 0 likes - added

    Word problem with cookies

  • 11:40 Popular Generalizing with Binomial Coefficients (bit advanced)

    Generalizing with Binomial Coefficients (bit advanced)

    769 views / 0 likes - added

    Conceptual understanding of where the formula for binomial coefficients come from More free lessons at: http://www.khanacademy.org/video?v=AOsWph2FNLw

  • 04:49 Race Cars with Constant Speed Around Curve

    Race Cars with Constant Speed Around Curve

    637 views / 0 likes - added

    When acceleration could involve a change in direction and not speed More free lessons at: http://www.khanacademy.org/video?v=ITA1rW5UraU

  • 10:05 Work/Energy problem with Friction

    Work/Energy problem with Friction

    625 views / 0 likes - added

    A conservation of energy problem where all of the energy is not conserved. More free lessons at: http://www.khanacademy.org/video?v=YvacYWgygaA

  • 10:18 Projectile Motion with Ordered Set Notation

    Projectile Motion with Ordered Set Notation

    559 views / 0 likes - added

    Solving the second part to the projectile motion problem (with wind gust) using ordered set vector notation More free lessons at: http://www.khanacademy.org/video?v=jl_gQ-eL3xo

  • 09:47 Calculating dot and cross products with unit vector notation

    Calculating dot and cross products with unit vector notation

    574 views / 0 likes - added

    Calculating the dot and cross products when vectors are presented in their x, y, and z (or i,j, and k) components. More free lessons at: http://www.khanacademy.org/video?v=enr7JqvehJs

  • 06:47 Popular Introduction: Crash Course U.S. Government and Politics

    Introduction: Crash Course U.S. Government and Politics

    794 views / 0 likes - added

    In which Craig Benzine introduces a brand new Crash Course about U.S. Government and Politics! This course will provide you with an overview of how the government of the United States is supposed to function, and we'll get into how it actually does functi

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

    The Bicameral Congress: Crash Course Government and Politics #2

    693 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

    1,680 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

    685 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 Popular Constitutional Compromises: Crash Course Government and Politics #5

    Constitutional Compromises: Crash Course Government and Politics #5

    783 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

  • 08:58 Congressional Elections: Crash Course Government and Politics #6

    Congressional Elections: Crash Course Government and Politics #6

    661 views / 0 likes - added

    This week Craig Benzine talks about the importance of elections. But he isn’t going to focus on presidential elections, but instead those of the strongest part of our government: congressional elections. Craig will talk about the frequency of elections in

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

    Congressional Committees: Crash Course Government and Politics #7

    692 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

  • 08:12 Congressional Leadership: Crash Course Government and Politics #8

    Congressional Leadership: Crash Course Government and Politics #8

    641 views / 0 likes - added

    This week Craig Benzine explores the leadership structure of congress. We’ll break out the clone machine to examine the responsibilities of the speaker of the house, the majority and minority leaders as well as the majority and minority whips in both the

  • 07:01 Popular How a Bill Becomes a Law: Crash Course Government and Politics #9

    How a Bill Becomes a Law: Crash Course Government and Politics #9

    781 views / 1 likes - added

    Oh my, Craig has his work cut out for him this week. The process of how a bill becomes a law can be pretty complex, fraught with potential bill-death at every corner. As if just getting through committee isn’t difficult enough, bills have to navigate a se

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

    Congressional Decisions: Crash Course Government and Politics #10

    625 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

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

    Introduction to Astronomy: Crash Course Astronomy #1

    708 views / 3 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

  • 11:17 Naked Eye Observations: Crash Course Astronomy #2

    Naked Eye Observations: Crash Course Astronomy #2

    659 views / 0 likes - added

    Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye. -- Table of Contents: Naked Eye Observations 0:28.4 Constellations 3:09.7 The Color of Stars 2:44.5 View of the

  • 10:32 Popular Eclipses: Crash Course Astronomy #5

    Eclipses: Crash Course Astronomy #5

    820 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

  • 12:01 Telescopes: Crash Course Astronomy #6

    Telescopes: Crash Course Astronomy #6

    663 views / 0 likes - added

    Today Phil explains how telescopes work and offers up some astronomical shopping advice. -- How Telescopes Work 1:07 Refractors vs Reflectors 2:50 Technology and the Light Spectrum 7:45 -- PBS Digital Studios: http://youtube.com/pbsdigitalstudios Follow P

  • 10:03 Popular The Gravity of the Situation: Crash Course Astronomy #7

    The Gravity of the Situation: Crash Course Astronomy #7

    757 views / 0 likes - added

    In today's episode, Phil looks at how gravity plays out across the universe. This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse -- Gravity is a Force 2:17 Different Types of Orbit 3:41 Escape Velocity 5:30 Weightless Mass 7:0

  • 09:51 Popular The Moon: Astronomy #12

    The Moon: Astronomy #12

    949 views / 1 likes - added

    Join Phil for a tour of our capital-M Moon, from surface features, inside to the core, and back in time to theories about its formation. This episode is brought to you by Squarespace: http://www.squarespace.com/crashcourse -- Table of Contents Many Millio

  • 11:21 Popular Introduction to Anatomy&Physiology: Crash Course A&P #1

    Introduction to Anatomy&Physiology: Crash Course A&P #1

    843 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.

  • 10:43 Popular Tissues, Part 1: Crash Course A&P #2

    Tissues, Part 1: Crash Course A&P #2

    882 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Jordan Schoonover FROM: Mom, Dad&Madison Happy Birthday Jordan! We love you sweetheart!! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything w

  • 10:16 Popular Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3

    Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3

    1,535 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO : Phoebe and James McMullan FROM : Dad Continue being awesome Phoebe&James from John&Hank! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 10:29 Popular Tissues, Part 3 - Connective Tissues: Crash Course A&P #4

    Tissues, Part 3 - Connective Tissues: Crash Course A&P #4

    1,132 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Ashley FROM: Fee Happy birthday nerd also I love you lots and lots *** 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 y

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

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

    1,564 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

  • 09:40 Popular The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6

    The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6

    844 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Ciaran FROM: your sister Jillian Happy birthday! Hope you enjoy being immortalized via doobly-doo! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with ev

  • 09:57 Popular The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P #7

    The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P #7

    744 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: Helle Søndergaard FROM: Martin Søndergaard Congratulations for finishing first semester on physiotherapy! I'm so proud! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as

  • 10:36 Popular The Nervous System, Part 1: Crash Course A&P #8

    The Nervous System, Part 1: Crash Course A&P #8

    1,162 views / 1 likes - added

    •••SUBBABLE MESSAGE••• TO: Kerry FROM: Cale I love you with all my ha-art. Deadset. *** 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 aff

  • 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

    1,138 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

  • 10:57 Popular The Nervous System, Part 3 - Synapses!: Crash Course A&P #10

    The Nervous System, Part 3 - Synapses!: Crash Course A&P #10

    1,409 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO: NerdFighteria FROM: Dave at DTXC.CO Cycling t-shirts at DTXC.CO. Don't give up the Road! DFTBA! *** Subbable Co-Sponsors: Logan Sanders https://www.facebook.com/perrylogans Dr. Boyev http://youtube.com/taichiknees *** You can di

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

    Peripheral Nervous System: Crash Course A&P #12

    1,521 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

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

    The Big Bang: Crash Course Big History #1

    1,170 views / 4 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

  • 13:41 Popular Migrations and Intensification: Crash Course Big History #7

    Migrations and Intensification: Crash Course Big History #7

    1,020 views / 0 likes - added

    In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of innovators, and co

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

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

    678 views / 1 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

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

    Rethinking Civilization - Crash Course World History 201

    731 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 Popular Money&Debt: Crash Course World History 202

    Money&Debt: Crash Course World History 202

    894 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 Popular Disease! Crash Course World History 203

    Disease! Crash Course World History 203

    969 views / 2 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 Popular War&Human Nature: Crash Course World History 204

    War&Human Nature: Crash Course World History 204

    901 views / 2 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 Popular War and Civilization: Crash Course World History 205

    War and Civilization: Crash Course World History 205

    718 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 Popular 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

    1,133 views / 2 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

    1,095 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 Popular Drought and Famine: Crash Course World History #208

    Drought and Famine: Crash Course World History #208

    1,208 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

    1,482 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

    1,063 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 Popular 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

    856 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 Popular 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

    887 views / 2 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 Popular Asian Responses to Imperialism: Crash Course World History #213

    Asian Responses to Imperialism: Crash Course World History #213

    795 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

  • 12:31 Popular The Railroad Journey and the Industrial Revolution: Crash Course World History 214

    The Railroad Journey and the Industrial Revolution: Crash Course World History 214

    727 views / 2 likes - added

    In which John Green teaches you about railroads, and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention of steam powered railroads, pretty much all locomotion had

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

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

    1,132 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 Popular Islam and Politics: Crash Course World History 216

    Islam and Politics: Crash Course World History 216

    1,099 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 Popular The Mughal Empire and Historical Reputation: Crash Course World History #217

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

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

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

    978 views / 3 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

  • 13:16 Popular Charles V and the Holy Roman Empire: Crash Course World History #219

    Charles V and the Holy Roman Empire: Crash Course World History #219

    1,083 views / 2 likes - added

    Get the new Crash Course World History Character poster here: http://store.dftba.com/products/crashcourse-characters-poster In which John Green teaches you about the Holy Roman Empire by teaching you about Charles V. Charles Hapsburg was the holy Roman Em

  • 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

    1,661 views / 11 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.

  • 12:58 Popular Congo and Africa's World War: Crash Course World History 221

    Congo and Africa's World War: Crash Course World History 221

    863 views / 2 likes - added

    In which John Green teaches you about the Democratic Republic of the Congo, which used to be Zaire, which used to be The Belgian Congo, which used to be the Congo Free State, which used to be the region surrounding the Congo River Basin in central Africa.

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

    Water and Classical Civilizations: Crash Course World History 222

    672 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 Popular Conflict in Israel and Palestine: Crash Course World History 223

    Conflict in Israel and Palestine: Crash Course World History 223

    843 views / 1 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 Popular The Vikings! - Crash Course World History 224

    The Vikings! - Crash Course World History 224

    1,287 views / 5 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

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

    Intro to Psychology - Crash Course Psychology #1

    990 views / 0 likes - added

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  • 10:51 Popular Psychological Research - Crash Course Psychology #2

    Psychological Research - Crash Course Psychology #2

    800 views / 1 likes - added

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

    The Chemical Mind - Crash Course Psychology #3

    930 views / 0 likes - added

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

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

    907 views / 0 likes - added

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

    Sensation&Perception - Crash Course Psychology #5

    736 views / 0 likes - added

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  • 10:24 Popular Homunculus - Crash Course Psychology #6

    Homunculus - Crash Course Psychology #6

    704 views / 0 likes - added

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

    Perceiving is Believing - Crash Course Psychology #7

    671 views / 0 likes - added

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  • 09:34 Popular Consciousness - Crash Course Psychology #8

    Consciousness - Crash Course Psychology #8

    1,087 views / 0 likes - added

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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

    1,304 views / 0 likes - added

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  • 11:19 Altered States - Crash Course Psychology #10

    Altered States - Crash Course Psychology #10

    678 views / 0 likes - added

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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

    1,109 views / 0 likes - added

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

    The Bobo Beatdown - Crash Course Psychology #12

    827 views / 0 likes - added

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

    How We Make Memories - Crash Course Psychology #13

    1,125 views / 0 likes - added

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

    Remembering and Forgetting - Crash Course Psychology #14

    932 views / 1 likes - added

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  • 10:42 Popular 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

    896 views / 1 likes - added

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  • 10:02 Popular Language: Crash Course Psychology #16

    Language: Crash Course Psychology #16

    866 views / 0 likes - added

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  • 11:20 Popular The Power of Motivation: Crash Course Psychology #17

    The Power of Motivation: Crash Course Psychology #17

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

    The Growth of Knowledge: Crash Course Psychology #18

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

    Monkeys and Morality: Crash Course Psychology #19

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  • 10:15 Popular 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 Popular Measuring Personality: Crash Course Psychology #22

    Measuring Personality: Crash Course Psychology #22

    1,025 views / 1 likes - added

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

    Controversy of Intelligence: Crash Course Psychology #23

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  • 11:04 Popular Brains Vs. Bias: Crash Course Psychology #24

    Brains Vs. Bias: Crash Course Psychology #24

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

    Feeling All the Feels: Crash Course Psychology #25

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    ***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

  • 10:20 Popular Emotion, Stress and Health: Crash Course Psychology #26

    Emotion, Stress and Health: Crash Course Psychology #26

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  • 10:10 Popular 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 Popular OCD&Anxiety Disorders: Crash Course Psychology #29

    OCD&Anxiety Disorders: Crash Course Psychology #29

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  • 10:00 Depressive and Bipolar Disorders: Crash Course Psychology #30

    Depressive and Bipolar Disorders: Crash Course Psychology #30

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  • 10:51 Trauma&Addiction: Crash Course Psychology #31

    Trauma&Addiction: Crash Course Psychology #31

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  • 11:44 Schizophrenia&Dissociative Disorders: Crash Course Psychology #32

    Schizophrenia&Dissociative Disorders: Crash Course Psychology #32

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  • 10:12 Popular Eating and Body Dysmorphic Disorders: Crash Course Psychology #33

    Eating and Body Dysmorphic Disorders: Crash Course Psychology #33

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  • 10:58 Popular Personality Disorders: Crash Course Psychology #34

    Personality Disorders: Crash Course Psychology #34

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  • 11:23 Getting Help - Psychotherapy: Crash Course Psychology #35

    Getting Help - Psychotherapy: Crash Course Psychology #35

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  • 11:09 Biomedical Treatments: Crash Course Psychology #36

    Biomedical Treatments: Crash Course Psychology #36

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  • 10:48 Social Thinking: Crash Course Psychology #37

    Social Thinking: Crash Course Psychology #37

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  • 10:08 Popular Social Influence: Crash Course Psychology #38

    Social Influence: Crash Course Psychology #38

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  • 09:54 Popular Prejudice&Discrimination: Crash Course Psychology #39

    Prejudice&Discrimination: Crash Course Psychology #39

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  • 10:41 Aggression V. Altruism: Crash Course Psychology #40

    Aggression V. Altruism: Crash Course Psychology #40

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  • 10:12 Popular The Nucleus: Crash Course Chemistry #1

    The Nucleus: Crash Course Chemistry #1

    903 views / 1 likes - added

    Hank does his best to convince us that chemistry is not torture, but is instead the amazing and beautiful science of stuff. Chemistry can tell us how three tiny particles - the proton, neutron and electron - come together in trillions of combinations to f

  • 11:24 Popular Unit Conversion&Significant Figures: Crash Course Chemistry #2

    Unit Conversion&Significant Figures: Crash Course Chemistry #2

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    A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the international system of units. H

  • 13:34 Popular Water and Solutions -- for Dirty Laundry: Crash Course Chemistry #7

    Water and Solutions -- for Dirty Laundry: Crash Course Chemistry #7

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    Dihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the chemical reactions t

  • 11:13 Popular Redox Reactions: Crash Course Chemistry #10

    Redox Reactions: Crash Course Chemistry #10

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    All the magic that we know is in the transfer of electrons. Reduction (gaining electrons) and oxidation (the loss of electrons) combine to form Redox chemistry, which contains the majority of chemical reactions. As electrons jump from atom to atom, they c

  • 10:43 How To Speak Chemistrian: Crash Course Chemistry #11

    How To Speak Chemistrian: Crash Course Chemistry #11

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    Learning to talk about chemistry can be like learning a foreign language, but Hank is here to help with some straightforward and simple rules to help you learn to speak Chemistrian like a native. Table of Contents Determining Formulas and Names of Monatom

  • 11:45 Popular Ideal Gas Problems: Crash Course Chemistry #13

    Ideal Gas Problems: Crash Course Chemistry #13

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    We don't live in a perfect world, and neither do gases - it would be great if their particles always fulfilled the assumptions of the ideal gas law, and we could use PV=nRT to get the right answer every time. Unfortunately, the ideal gas law (like our cul

  • 11:35 Real Gases: Crash Course Chemistry #14

    Real Gases: Crash Course Chemistry #14

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    Hank bursts our ideal gas law bubble, er, balloon, and brings us back to reality, explaining how the constants in the gas law aren't all that constant; how the ideal gas law we've spent the past two weeks with has to be corrected for volume because atoms

  • 11:55 Popular Partial Pressures&Vapor Pressure: Crash Course Chemistry #15

    Partial Pressures&Vapor Pressure: Crash Course Chemistry #15

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    This week we continue to spend quality time with gases, more deeply investigating some principles regarding pressure - including John Dalton's Law of Partial Pressures, vapor pressure - and demonstrating the method for collecting gas over water. Table of

  • 11:26 Popular Passing Gases: Effusion, Diffusion and the Velocity of a Gas - Crash Course Chemistry #16

    Passing Gases: Effusion, Diffusion and the Velocity of a Gas - Crash Course Chemistry #16

    1,278 views / 0 likes - added

    We have learned over the past few weeks that gases have real-life constraints on how they move here in the non-ideal world. As with most things in chemistry (and also in life) how a gas moves is more complex than it at first appears. In this episode, Hank

  • 09:26 Energy&Chemistry: Crash Course Chemistry #17

    Energy&Chemistry: Crash Course Chemistry #17

    629 views / 0 likes - added

    Grumpy Professor Hank admits to being wrong about how everything is chemicals. But he now wants you to listen as he blows your mind with a new sweeping statement: everything (yes, really everything this time) is energy. What?! This week, Hank takes us on

  • 09:03 Popular Lab Techniques&Safety: Crash Course Chemistry #21

    Lab Techniques&Safety: Crash Course Chemistry #21

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    Hank takes a break from the desk to bring you to the lab in order to demonstrate some important points about the practical side of chemistry - experimentation in the laboratory. You'll learn what to wear in the lab, how to dispose of chemicals safely, how

  • 09:46 Popular Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22

    Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry #22

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    Atoms are a lot like us - we call their relationships "bonds," and there are many different types. Each kind of atomic relationship requires a different type of energy, but they all do best when they settle into the lowest stress situation possible. The n


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