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: Application of the fundamental laws (solve)
We solve the equations created by direct application of the fundamental laws: Ohm's Law and Kirchhoff's Laws. (Part 2 of 2) Electrical engi…
VideoFree9 minutes
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Class 11 Physics (India): PV-diagrams and expansion work
Why work from expansion is the area under the curve of a PV-diagram. Why heat is not a state function and internal energy is a state functi…
VideoFree15 minutes
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Health and medicine: Somatosensation
Explore our ability to sense the environment through our body. By Ron. Health and medicine The medical world can be a confusing place. Pati…
VideoFree8 minutes
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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
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Health and medicine: R nought and vaccine coverage
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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Health and medicine: Tonicity - comparing 2 solutions
Find out how tonicity is determined by ions that don't move across membranes and how it affects the movement of water. Rishi is a pediatric…
VideoFree11 minutes
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Electrical engineering: Euler's sine wave
A sine wave emerges from Euler's Formula. Music, no narration. Animated with d3.js. Electrical engineering Learn about electricity, circuit…
VideoFree3 minutes
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Electrical engineering: Inductor kickback (1 of 2)
We notice how important it is to give inductor current a place to flow Electrical engineering Learn about electricity, circuit theory, and …
VideoFree13 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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Electrical engineering: Inductor equations
We look at the inductor i-v equations in derivative and integral form. Electrical engineering Learn about electricity, circuit theory, and …
VideoFree13 minutes
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Health and medicine: Emphysema diagnosis
How do we know a patient has emphysema? Learn how the lungs in chest x-rays look hyperinflated, how spirometry can reveal decreased lung fu…
VideoFree7 minutes
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Health and medicine: Pathophysiology of herpes
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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Physics: Time dilation
We'll start thinking about time dilation in special relativity and how a Loedel diagram can help up appreciate symmetry between inertial fr…
VideoFree9 minutes
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Class 12 Physics (India): Diffusion, drift & barrier voltage
Let's look at the different currents in a PN junction. Class 12 Physics (India) It is now time to dive deeper into the world of physics wit…
VideoFree11
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Health and medicine: Types of hormones
There are three major types of hormones. 1) Protein hormones (or polypeptide hormones) are made of chains of amino acids. An example is ADH…
VideoFree10 minutes