Ever since quitting his job as a successful hedge-fund analyst two years ago to dedicate himself full time to this labor of love, Khan has managed to win fans worldwide and goad skeptical educators.
His simply narrated, faceless home videos on everything from algebra to French history have been viewed half a billion times. Last year, a number of schools began “flipping” their classrooms, having students study Khan videos by night and do homework with teachers by day.
In the process, Khan has fueled the debate over tech’s growing influence on education while garnering the support of powerful friends.
“At 3,000 lessons online, Sal’s personal ability as a teacher is remarkable,” says Bill Gates, whose mention of Khan Academy at a conference in Aspen, Colo., in 2010 put the website on the map. “Bringing this kind of creativity and new assessment tools for teachers could make a profoundly positive difference in education.”
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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