Khan Academy: 2757 products
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Health and medicine: Symptoms of left sided heart failure
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree5 minutes
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Health and medicine: Risk factors for stroke
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree12 minutes
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Electrical engineering: Capacitor i-v equations
The capacitor current-voltage equation in derivative form and integral form Electrical engineering Learn about electricity, circuit theory,…
VideoFree9 minutes
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Electrical engineering: Sketching exponentials
Voltages and currents often have an exponential shape. We look at some properties of exponential curves and learn how to rapidly sketch acc…
VideoFree8 minutes
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Health and medicine: Reiter's syndrome
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree8 minutes
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Health and medicine: What are plasma cell dyscrasias?
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree8 minutes
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Health and medicine: Pneumonia vs. pneumonitis
Pneumonitis is a term used to describe inflammation of the lung tissues without the presence of an infection, whereas pneumonia is inflamma…
VideoFree9 minutes
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Health and medicine: What is polycythemia vera?
Learn to recognize the symptoms of polycythemia vera as well as how to diagnosis and treat it. By Raja Narayan. Visit us (http://www.khanac…
VideoFree11 minutes
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Health and medicine: Hemorrhagic strokes
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree7 minutes
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Class 12 Physics (India): Voltage
Sal explains the difference between electrical potential (voltage) and electrical potential energy Class 12 Physics (India) It is now time …
VideoFree9 minutes
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Class 11 Physics (India): Multiplying and dividing with significant figures
Learn to multiply and divide with significant figures. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physic…
VideoFree10
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Organic chemistry: Cyclic ethers and epoxide naming
Cyclic ethers and epoxide naming. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understandi…
VideoFree8 minutes
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Physics: Foil leaf electroscope
Foil Leaf Electroscope. Aluminum leaves repel in the presence of a charged object Physics Learn about the basic principles that govern the …
VideoFree1 minute
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Health and medicine: Preeclampsia
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree14 minutes
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Class 11 Physics (India): More on Normal force (shoe on floor)
David explains how to determine the normal force for a variety of scenarios (extra forces, diagonal forces, acceleration) involving a shoe …
VideoFree11 minutes