Reformers cannot constantly wave this idea around as though they are the only ones who care about teacher quality, and then plug their ears whenever critics point out that tests are a very crude, very imprecise measure of student achievements and teacher quality.

FORBES: The False Choices of Education Reform

Creatively calling the plug-in boards "capes" in reference to the cape worn by a beloved cartoon beagle super hero, the active open source BeagleBoard.org community designed the plug-in boards to foster an even wider range of innovations such as robot motor drivers and sensors that measure location and pressure.

ENGADGET: BeagleBone gets plenty of expansion options with new 'cape' add-ons