3D printing is gaining popularity as a potential homebuilding ... where their children slept in a boiler room. As part of receiving the house, they will pay for it through 300 hours of "sweat equity," ...

[Hyperspace Pirate] built a small turbine and boiler in his garage, turning fire into flowing electrons, and learning a bunch in the process. [Hyperspace Pirate] based the turbine design on 3D ...