Mark Frauenfelder's Go-To Cooking Project

When Mark Frauenfelder, editor in chief of MAKE Magazine and cofounder of Boing Boing, isn't busy making organic-peanut-butter-mixing machines, he is mixing up family-friendly projects like this, his version of sauerkraut. We visited this tin-can guitarist and king of the geeked-out project at his home in Los Angeles.