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: Bernoulli's equation of total energy
Learn how total energy of a fluid helps explain why fluids can move from low pressure to high pressure! Rishi is a pediatric infectious dis…
VideoFree7 minutes
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Electrical engineering: Switch statements & logic
Control switch statments using logic Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also …
VideoFree7 minutes
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Electrical engineering: Trigonometry review
A quick review of some ideas from trigonometry that will help us with AC analysis. The definitions of sine, cosine, and tangent, circles, d…
VideoFree8 minutes
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Health and medicine: ALS - Amyotrophic lateral sclerosis
Sal explains the disease ALS, amyotrophic lateral sclerosis, and takes the "ice bucket challenge." Health and medicine The medical world ca…
VideoFree4 minutes
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Electrical engineering: Tools and parts to build a Spout
Make Spout a low cost beetle bot that can avoid obstacles. Spout is low cost and can be made without solder. Electrical engineering Learn a…
VideoFree1 minute
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Electrical engineering: Soldering Safety
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree3 minutes
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Electrical engineering: What is inside a DVD player? (1 of 5)
In this video we explore the housing and functions of a DVD player. Electrical engineering Learn about electricity, circuit theory, and int…
VideoFree4 minutes
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Health and medicine: Permeability and membrane potentials
Find out why a cell that is permeable to multiple ions has a membrane potential that is influenced by the ion with the highest permeability…
VideoFree13 minutes
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Health and medicine: Angiotensin 2 raises blood pressure
See how Angiotensin 2 effects 4 target "organs" to increase blood pressure. Rishi is a pediatric infectious disease physician and works at …
VideoFree11 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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Health and medicine: Overview of neuron function
This video introduces the function and functional types of neurons. By Matt Jensen. Health and medicine The medical world can be a confusin…
VideoFree8 minutes
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Electrical engineering: Integral of product of sines
Definite integral of product of sines. The integral of sin(mt) * sin(nt) = 0, except for the special case when m = n. When m = n, the integ…
VideoFree8 minutes
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Electrical engineering: Connect the SPDT switches
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree1 minute
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Health and medicine: Peripheral chemoreceptors
Peripheral chemoreceptors are extensions of the peripheral nervous system that respond to changes in blood molecule concentrations (such as…
VideoFree11 minutes
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Electrical engineering: ELI the ICE man
Remember the relationship between current and voltage in an inductor and capacitor with the help of ELI the ICE man. Electrical engineering…
VideoFree10 minutes