Follow this tutorial on how to drain a water heater properly and keep it running efficiently and safely for many years to come.

When fire hydrants ran dry, the L.A. Department of Water and Power struggled to get water where needed. The utility's ...

That means compressed air, and that means a pressure vessel. Since just about everything else on this robot is 3D printed, they asked the obvious question. Is it possible to 3D print a tank for ...