graph.tk is an online and open-source graphing utillity. It runs in any modern browser that supports the canvas element. It plots functions, and displays them with style.
"Where governments dream up projects like the European Computer Driving Licence (ECDL), the resistance seeks to grant kids a "Licence to Tinker" - to demystify the technology by providing tools and ideas that enable them to understand how modern networked devices work."
"The infographic below, while simply designed to show students who are taking a MOOC for university level Spanish what the components of their class will be, does an excellent job showing a) just how online language learning can be (even if you're sitting at home alone) and b) how well language learning lends itself to online learning"
"Australian researchers have discovered information is best processed either orally or in writing, but not both ways simultaneously. Thus, PowerPoint presentations can backfire when what's on the screen is the same as what the speaker is saying, because audience attention is automatically divided."