Professor Alan Charles Kors from the University of Pennsylvania, has summed up human history in 100 words: First, tribes: tough life. The defaults beyond the intimate tribe were violence, aversion to difference, and slavery. Superstition: everywhere. Culture overcomes them partially. Rainfall agriculture, which allows loners. Irrigation agriculture, which favors community. Division of labor plus exchange […]
Technorati tags: youtube, math, mathematics, mobius, moebius, transformation, transformations, stereographic, projection, sphere, plane YouTube Find: A short film depicting the beauty of Moebius Transformations in mathematics. The movie shows how moving to a higher dimension can make the transformations easier to understand. The full version is available at http://www.ima.umn.edu/~arnold/moebius/
Technorati tags: language, tool, translation, english, dictionary, application This is actually pretty cool, lingro is like a dictionary/translator. For example you can enter a website in the box and lingro will make all words on that website clickable – so if you click on them a little box will pop up and you’ll learn it’s […]
Technorati tags: blog, education, readibility The Blog Readibility Test is a tool that checks what level of education you need to read your blog. All you have to do it paste your blog’s URL into the box and off you go. Cool thing, once calculated, you’ll get a fine badge you can embed into your […]