On the next episode of Brick by Brick, a look at rooftop solar and 3D-printed housing. As electricity costs surge, many see residential solar as a solution. But will the sunsetting of federal ...

Small speakers hum as two "Star Wars"-themed Lego lightsabers clash. Lights beam from the top of a Lego-built airplane. A roaring engine sound kicks in as multiple vehicles race across the floor. It's ...