Cambridge Science Festival Various locations April 26 - May 4 Most events free If you can't get into ROFLcon to worship at the altars of XKCD and Homestar Runner, don't worry--there's plenty of other high-tech stuff going on at MIT this weekend. Namely, the Cambridge Science Festival, which kicks off tomorrow and runs through May 4, giving you plenty of time to learn about animals, atoms, automata, and anything else that tickles your scientific fancy.......