You may have heard of (or even celebrated) Pi day on 3/14, but how about Tau day? What is Tau, you ask? In 2001, Bob Palais published the article “π Is Wrong” in which he argued that the …
iPad App
In mid-March, we launched the official Khan Academy iPad app. If you haven’t yet downloaded it, you can download the app for free from the App Store. Using the app, you can view all 3,200+ …
Parents can now create accounts for their children!
Developer Ben Komalo has made it possible for parents to create accounts for their children who are under 13. Parents, to create an account for your child, …
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Topic Badges For Great Justice!
Hi there, i’m marcos ojeda, a designer at Khan Academy. Let me tell you about Topic Badges. A while back, Ben and Jason started work on revamping our exercise framework to allow multiple …
Share your Khan Academy badges on Facebook in style
As of today, you can now share your Khan Academy badges on Facebook using the new Open Graph protocol. In normal speak, it means that you’ll get richer, more interesting displays of your badges …
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Trying out new features
Developer Tom Yedwab writes here about using “A/B” testing to compare the effectiveness of changes we make to the site. “Data is easy to collect but hard to interpret, never giving …