To keep things interesting, we've thrown in queries easy enough for the kids to answer, as well as SAT-grade prompts that'll test the skills of even the biggest Einsteins on your trivia team.
Flashing LEDs are all well and good, but they’re even better if they can sync up with ambient sounds or music. [mircemk] has built the LUMAZOID visualizer to do just that, relying on some staple ...