BBC News - Screen test for the online classroom: ". . . .The combination of broadband, cheaper laptops and iPad-style tablet computers is putting such online teaching services into the mainstream. Shantanu Sinha and the Khan Academy team are teaching 3.5 million students. The Khan Academy has thousands of step-by-step videos explaining topics in subjects such as maths and science. It's also interactive, allowing individual students to test themselves again and again and then chart their own progress. On tablet devices, students can write directly on to touch screens. It's a deceptively simple concept - YouTube meets trigonometry meets an interactive whiteboard - with 85 million videos downloaded so far. It's free to users, but has some very wealthy friends. And with its Californian base and its instant growth, it's more like a digital start-up than an education initiative. Bill Gates has hailed the Khan Academy as the "start of a revolution". He says that he uses the bite-sized tutorials himself and with his children. . . . " Read more
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