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: Biological basis of depression
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree9 minutes
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Health and medicine: Putting it all together: Pressure, flow, and resistance
See how pressure, flow, and resistance relate to one another and how they each affect the human body. Rishi is a pediatric infectious disea…
VideoFree12 minutes
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Electrical engineering: RC step response - intuition
An RC circuit responds to a step of voltage with a smooth transition between the starting and ending voltage. The RC step response is a fun…
VideoFree10 minutes
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Electrical engineering: What is inside a DVD player? (4 of 5)
In this video we explore the DVD ROM components inside a DVD player. Electrical engineering Learn about electricity, circuit theory, and in…
VideoFree8 minutes
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Health and medicine: Aldosterone and ADH
Find out how Aldosterone and ADH cause changes in volume and osmolarity. Rishi is a pediatric infectious disease physician and works at Kha…
VideoFree10 minutes
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Health and medicine: Leukemia diagnosis
Often health care professionals conduct a variety of blood tests to determine if someone has leukemia. Leukemia patients often have decreas…
VideoFree10 minutes
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Health and medicine: Psychoactive drugs: Stimulants
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree3 minutes
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Health and medicine: Blood types
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree9 minutes
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Class 12 Physics (India): Photoelectric effect
Explaining the photoelectric effect using wave-particle duality, the work function of a metal, and how to calculate the velocity of a photo…
VideoFree10 minutes
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Health and medicine: What is coronary artery disease?
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree14 minutes
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Health and medicine: Type 1 and type 2 muscle fibers
Skeletal muscle fibers can be categorized into two types: slow-twitch (Type I) and fast-twitch (Type II). Type I muscle fibers are more eff…
VideoFree9 minutes
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Electrical engineering: Wire the SPDT switches
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree6 minutes
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Electrical engineering: Variable block (counter)
Store values using the variable block (build a counter) Electrical engineering Learn about electricity, circuit theory, and introductory el…
VideoFree8 minutes
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Electrical engineering: What is inside a DVD player? (2 of 5)
In this video we explore the power supply inside a DVD player. Electrical engineering Learn about electricity, circuit theory, and introduc…
VideoFree5 minutes
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Health and medicine: Preventing further strokes
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree9 minutes