Karl Wendt looks into how DC motors work and shows you how you can build your own. He also demonstrates the motor controller he used in building Bit-zee bot. Brushed DC motor explained Build your …
Trolls, kings, and solving systems of equations
Sal has created new algebra videos to explain solving systems of equations: Trolls, Tolls, and Systems of Equations Then check out the follow-up videos on Solving the Troll Riddle Visually and …
Continue Reading about Trolls, kings, and solving systems of equations →
Next EDU Guru program – thank you!
We partnered with YouTube EDU to find great content creators via the Next EDU Guru program last month. There were hundreds of entries, and we thank everyone who participated – it was fabulous …
New episodes in Prime Adventures!
Instructor Brit Cruise has created two new videos and computer science programs as part of his Prime Adventures series, where he explores deeper properties of prime numbers through building algorithms …
New category of exercises: Linear Algebra!
Software developer Stephanie Chang has just launched the very first Khan Academy exercises in Linear Algebra, the college-level topic involving vectors and matrices: Matrix dimensions Matrix addition …
Continue Reading about New category of exercises: Linear Algebra! →
The Heart
Our Medical Fellow, Dr. Rishi Desai, has created three new video series on how the heart operates. Meet the heart! More new videos about The Heart: Flow through the Heart Lub Dub Layers of the …