Writing and Using Inequalities, Part 2
In this video, Sal Khan explores how to write inequalities using a word problem (that involves a phone texting plan). Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. (06:40) There is a lot of information on the screen--the viewer may want to open the video to 'full screen.'
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Writing and Using Inequalities, Part 3
In this video, Sal Khan explores how to write inequalities using a word problem (that involves a touring band). Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. (02:01) There is a lot of information on the screen--the viewer may want to open the video to 'full screen.'
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Graphing Linear Inequalities in Two Variables, Part IV
Mr. Khan shows how to graph Linear Inequalities in Two Variables using the problem Y is less than 3X + 5. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan was the recipient of the 2009 Microsoft Tech Award in Education. (03:03)
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Graphing Systems of Inequalities, Part 3
The instructor in this video, Sal Khan, continues to discuss how to graph inequalities. In this segment, he places a calculator on the screen.  Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small.
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Graphing Systems of Inequalities, Part 2
The instructor in this video, Sal Khan, in an easy, conversational tone, continues to discuss how to graph inequalities. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small.
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Graphing Systems of Inequalities, Part 1
The instructor in this video, Sal Khan, introduces the process of graphing inequalities.  Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small.
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Battle of Jutland (May 31-June 1, 1916) - World War I
Slide-show video showing pictures of the ships that participated in the battle of Jutland during World War I. This battle was on the afternoon of May 31, 1916, when the British fleet encountered the German fleet before the Germans had expected. By the time the British turned and fled towards the main fleet, they had lost two battlecruisers and the numerical advantage. Slides with music and text (which moves faster than can be read)

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Parallel Lines in Algebra, Part I
In this video, Sal Khan demonstrates how to know which lines are parallel when solving an algebraic equation. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.  (03:48) There is a lot of information on the screen--the viewer may want to open the video to 'full screen.' 
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Parallel Lines in Algebra, Part II
In this video, Sal Khan demonstrates how to know which lines are parallel when solving an algebraic equation. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.  (03:48) There is a lot of information on the screen--the viewer may want to open the video to 'full screen.' 
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Perpendicular Lines in Algebra, Part I
In this video, Sal Khan demonstrates how to know which lines are perpendicular when solving an algebraic equation. (The instructor tells and demonstrates what perpendicular lines are.) Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.  (03:28) There is a lot of information on the screen--the viewer may want to open the video to 'full screen.' 
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Role of the Sarcoplasmic Reticulum in Muscle Cells
The instructor in this video, Sal Khan, discusses the role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.
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Probability (Part 7)--More on Conditional Probability
The instructor in this video, Sal Khan, continues his discussion of conditional probability while touching on Bayes' Theorem. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.
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Conditional Probability and Combinations
The instructor in this video, Sal Khan, continues his discussion of probability of picking a fair coin that was flipped 4 heads out of 6 heads. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.
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Probability (Part 8) - Introduction to Bayes' Theorem
This is a Featured Video on You Tube. The instructor in this video, Sal Khan, continues his discussion of probability and offers an introduction to Bayes' Theorem. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.
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Birthday Probability Problem
The instructor in this video, discusses the probability that at least 2 people in a room of 30 share the same birthday. Sal Khan uses the Paint Program (with different colors) to illustrate his points and is the recipient of the 2009 Microsoft Tech Award in Education.
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Calculus-Curl, Part 3
The instructor in this video, Sal Khan, continues his discussion of vector theory and curl. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.
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Graphing Linear Inequalities in Two Variables, Part III
In this video, Sal Khan demonstrates how to graph a linear inequality. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. (03:20) There is a lot of information on the screen--the viewer may want to open the video to 'full screen.'
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Sedimentary Rocks: The Key to Past Environments
This program returns to the Grand Canyon: its exposed layers of sedimentary rock allow scientists to peer into the geologic past. The movement of sediment and its deposition are covered, and the processes of lithification, compaction, and cementation that produce sedimentary rocks are explained. Organic components of rock are also discussed.
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Extraneous Solutions to Radical Equations
In this video, the instructor discusses extraneous solutions to radical equations. Mr. Khan uses computer software (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The viewer may want to open the video to 'full screen' as the instructor fits a lot of information on a dark screen
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Dennis Hong - My Seven Species of Robot
At TEDxNASA, Dennis Hong introduces seven award-winnning, all-terrain robots -- like the humanoid, soccer-playing DARwIn and the cliff-gripping CLIMBeR -- all built by his team at RoMeLa, Virginia Tech. Watch to the end to hear the five creative secrets to his lab's incredible technical success. Dennis Hong is the founder and director of RoMeLa -- a Virginia Tech robotics lab that has pioneered several breakthroughs in robot design and engineering. Robots are often inspired by nature, incorporat
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