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TEDtalks Medical Conference 2009 : Aimee Mullins: The opportunity ...

By: Aimee Mullins

The two annual TED conferences, in Long Beach/Palm Springs and Edinburgh, Scotland, bring together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes or less). TED Talks began as a simple attempt to share what happens at TED with the world. Under the moniker ideas worth spreading, talks were released online. They rapidly attracted a global audience in the millions. Indeed, the reaction was so enthusiastic th...

TED is a nonprofit devoted to Ideas Worth Spreading. It started out (in 1984) as a conference bringing together people from three worlds: Technology, Entertainment, Design. Since then its scope has become ever broader. Along with two annual conferences -- the TED Conference in Long Beach and Palm Springs each spring, and the TEDGlobal conference in Edinburgh UK each summer -- TED includes the award-winning TED Talks video site, the Open Translation Project and TED Conver...

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TEDx Projects HogeschoolUtrecht : Sebastian Deterding: What your d...

By: Sebastian Deterding

The two annual TED conferences, in Long Beach/Palm Springs and Edinburgh, Scotland, bring together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes or less). TED Talks began as a simple attempt to share what happens at TED with the world. Under the moniker ideas worth spreading, talks were released online. They rapidly attracted a global audience in the millions. Indeed, the reaction was so enthusiastic th...

TED is a nonprofit devoted to Ideas Worth Spreading. It started out (in 1984) as a conference bringing together people from three worlds: Technology, Entertainment, Design. Since then its scope has become ever broader. Along with two annual conferences -- the TED Conference in Long Beach and Palm Springs each spring, and the TEDGlobal conference in Edinburgh UK each summer -- TED includes the award-winning TED Talks video site, the Open Translation Project and TED Conver...

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TEDx Projects NASA : Dennis Hong: My seven species of robot

By: Dennis Hong

The two annual TED conferences, in Long Beach/Palm Springs and Edinburgh, Scotland, bring together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes or less). TED Talks began as a simple attempt to share what happens at TED with the world. Under the moniker ideas worth spreading, talks were released online. They rapidly attracted a global audience in the millions. Indeed, the reaction was so enthusiastic th...

TED is a nonprofit devoted to Ideas Worth Spreading. It started out (in 1984) as a conference bringing together people from three worlds: Technology, Entertainment, Design. Since then its scope has become ever broader. Along with two annual conferences -- the TED Conference in Long Beach and Palm Springs each spring, and the TEDGlobal conference in Edinburgh UK each summer -- TED includes the award-winning TED Talks video site, the Open Translation Project and TED Conver...

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TEDx Projects SanDiego : Jake Wood: A new mission for veterans -- ...

By: Jake Wood

The two annual TED conferences, in Long Beach/Palm Springs and Edinburgh, Scotland, bring together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes or less). TED Talks began as a simple attempt to share what happens at TED with the world. Under the moniker ideas worth spreading, talks were released online. They rapidly attracted a global audience in the millions. Indeed, the reaction was so enthusiastic th...

TED is a nonprofit devoted to Ideas Worth Spreading. It started out (in 1984) as a conference bringing together people from three worlds: Technology, Entertainment, Design. Since then its scope has become ever broader. Along with two annual conferences -- the TED Conference in Long Beach and Palm Springs each spring, and the TEDGlobal conference in Edinburgh UK each summer -- TED includes the award-winning TED Talks video site, the Open Translation Project and TED Conver...

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Triangles : Congruent and Similar Triangles

By: Sal Khan, Monterey Institute for Technology and Education

Congruent and Similar Triangles

This is a first year, high-school level course on Geometry (which is based on Euclid's elements). It revisits many of the basic geometrical concepts studied in earlier courses, but addresses them with more mathematical rigor. There is strong focus on prov

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Cellular respiration : Oxidation and Reduction in Cellular Respiration

By: Sal Khan

Oxidation and reduction in cellular respiration. Reconciling the biology and chemistry definitions of oxidation and reduction.

Covers topics seen in a first year college or high school biology course.

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Circles : Parts of a Circle

By: Sal Khan, Monterey Institute for Technology and Education

Parts of a Circle

This is a first year, high-school level course on Geometry (which is based on Euclid's elements). It revisits many of the basic geometrical concepts studied in earlier courses, but addresses them with more mathematical rigor. There is strong focus on prov

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More determinant depth : Determinant when row multiplied by scalar

By: Sal Khan

The determinant when a row is multiplied by a scalar

Understanding how we can map one set of vectors to another set. Matrices used to define linear transformations.

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Matrices for solving systems by elimination : Matrices: Reduced Ro...

By: Sal Khan

And another example of solving a system of linear equations by putting an augmented matrix into reduced row echelon form

Let's get our feet (and probably the rest of our body) wet in thinking in terms of vectors and spaces.

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Measures of central tendency : Statistics intro: mean, median and mode

By: Sal Khan

Using the mean, median and mode to try to represent data

Measures of central tendency and dispersion. Mean, median, mode, variance, and standard deviation.

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Continuous compounding and e : Introduction to interest

By: Sal Khan

What interest is. Simple versus compound interest.

An look at exponential and logarithmic functions including many of their properties and graphs. This tutorial introduces us to one of the derivations (from finance and continuously compounding interest) of the irrational number 'e' which is roughly 2. 71.

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Parameterizing a surface : Determining a Position Vector-Valued Fu...

By: Sal Khan

Determining a Position Vector-Valued Function for a Parametrization of Two Parameters

Parameterizing a surface. Surface integrals. Stokes' theorem.

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TEDx Projects Teen : Tavi Gevinson: A teen just trying to figure i...

By: Tavi Gevinson

The two annual TED conferences, in Long Beach/Palm Springs and Edinburgh, Scotland, bring together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes or less). TED Talks began as a simple attempt to share what happens at TED with the world. Under the moniker ideas worth spreading, talks were released online. They rapidly attracted a global audience in the millions. Indeed, the reaction was so enthusiastic th...

TED is a nonprofit devoted to Ideas Worth Spreading. It started out (in 1984) as a conference bringing together people from three worlds: Technology, Entertainment, Design. Since then its scope has become ever broader. Along with two annual conferences -- the TED Conference in Long Beach and Palm Springs each spring, and the TEDGlobal conference in Edinburgh UK each summer -- TED includes the award-winning TED Talks video site, the Open Translation Project and TED Conver...

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GDP and the circular flow of income and expenditures : More on Fin...

By: Sal Khan

What happens when a good is not finished in a period

Circular flow of income and expenditure. Gross domestic product. Economics can some times get confusing because one person's expenditure is another person's income which can then be used for expenditure and on and on and on. Seems very circular. It is. Th

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The Phillips Curve - Inflation and unemployment : Unemployment Rat...

By: Sal Khan

Understanding how the headline unemployment rate (U-3) is calculated

Inflation and deflation. CPI-U. Real and nominal return. Phillips Curve.

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TEDx Projects Krakow : Tal Golesworthy: How I repaired my own heart

By: Tal Golesworthy

The two annual TED conferences, in Long Beach/Palm Springs and Edinburgh, Scotland, bring together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes or less). TED Talks began as a simple attempt to share what happens at TED with the world. Under the moniker ideas worth spreading, talks were released online. They rapidly attracted a global audience in the millions. Indeed, the reaction was so enthusiastic th...

TED is a nonprofit devoted to Ideas Worth Spreading. It started out (in 1984) as a conference bringing together people from three worlds: Technology, Entertainment, Design. Since then its scope has become ever broader. Along with two annual conferences -- the TED Conference in Long Beach and Palm Springs each spring, and the TEDGlobal conference in Edinburgh UK each summer -- TED includes the award-winning TED Talks video site, the Open Translation Project and TED Conver...

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Haitian Revolution : Haitian Revolution (Part 2)

By: Sal Khan

Dessalines takes on Leclerc and Rochambeau

Yes, you are right. Haiti is not in Europe. We put the tutorial here because it was a French colony and its own revolution is closely linked to that of France's. Possibly one of the saddest histories that a nation can have, this tutorial tries to give as

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LeBron Asks : LeBron Asks: If Earth's history were a basketball ga...

By: Sal Khan, LeBron James

LeBron James asks Sal about how long humanity has been around as compared to the history of the Earth

LeBron James asks questions about math and science, and we answer!

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Ancient Rome : Augustus of Primaporta

By: Beth Harris, Steven Zucker

Augustus of Primaporta, 1st century C. E. (Vatican Museums) Speakers: Dr. Beth Harris and Dr. Steven Zucker

Humans have been making art for tens of thousands of years, long before there was writing. Why was Egyptian art obsessed with death? Why did the ancient Greeks seek the perfect human form? How did the ancient Romans use art as state propaganda? Why was th

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Extra systems of equation practice : Addition Elimination Method 1

By: Sal Khan, Monterey Institute for Technology and Education

Addition Elimination Method 1

Solving a system of equations or inequalities in two variables by elimination, substitution, and graphing.

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