On Friday evening the much anticipated WolframAlpha launched publicly. It is great fun to play around with, not only because it has some hilarious easter eggs, but because there is a renewed sense of exploration. At least I found myself coming up with ever new queries to see what it knows (computes) and what it doesn’t. For instance, here are two queries that show off the range of WolframAlpha:how old is Barack Obama? area under x^2 between 2 and 4?One thing is for sure – a lot of homework wi...