A Stanford class helped build CrashCourse, an education program that is now transforming concussion reporting culture on a national scale.

Successful group work in middle and high school requires thoughtful design. These strategies help teachers structure collaboration so every student contributes—and learns.

Please, consider contributing it to the project. Support the developers who power open source! Invest in open source. It powers your world. Become a sponsor now! If my open source projects could bring ...

The course describes basic electrical and magnetic phenomena, as well as laws for electrical circuits, both at direct current and alternating current. The course gives a thorough introduction to ...