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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Electrical engineering: Motor controller connections
In this video we show you how to attach and wire the L-298 motor controller board to Bit-zee's frame. Electrical engineering Learn about el…
VideoFree7 minutes
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Class 10 Physics (India): Refraction in water
Refraction in Water Class 10 Physics (India) Let's explore the mysteries of light and electricity. From how light reflects to correcting de…
VideoFree4 minutes
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Organic chemistry: Bonds as springs
How frequency of bond vibration can be compared to the oscillation of a spring. Organic chemistry Sal and Jay cover topics covered in colle…
VideoFree12 minutes
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Health and medicine: Adequacy of the lateral cervical spine X-ray
Dr. Mahadevan from Stanford School of Medicine explains adequacy for lateral cervical (neck) x-rays Health and medicine The medical world c…
VideoFree7 minutes
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Class 11 Physics (India): Reverse power rule
Can you find a function whose derivative is x^n? Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCE…
VideoFree6
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Class 11 Physics (India) - Hindi: Newton's first law of motion (Hindi)
Basic primer on Newton's First Law of Motion. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi video…
VideoFree6
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Chemistry: Standard reduction potentials
How to use a table of standard reduction potentials to calculate standard cell potential. Identifying trends in oxidizing and reducing agen…
VideoFree9 minutes
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Health and medicine: Putting it all together - Pathophysiology of Parkinson's disease
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes
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Class 11 Physics (India): Viscosity and Poiseuille flow
David explains the concept of viscosity, viscous force, and Poiseuille's law. Class 11 Physics (India) Let's learn, practice, and master to…
VideoFree11 minutes
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Health and medicine: Schizophrenia treatment
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes
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Health and medicine: Understanding R nought
Dr. Rishi Desai is a pediatric infectious disease physician and former epidemiologist with the Centers for Disease Control and Prevention (…
VideoFree9 minutes
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Electrical engineering: Construction
You can get started with this simple design, then add your own complexity after! Electrical engineering Learn about electricity, circuit th…
VideoFree1 minute
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Health and medicine: Pacemakers
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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Class 11 Physics (India): Gravitational potential energy at large distances
Learn how to calculate gravitational potential energy when we can no longer assume the gravitational field is uniform. Class 11 Physics (In…
VideoFree5
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Health and medicine: What is Tourette's?
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree8 minutes