Drones could spray your next house out of a hose.

Want to build homes quickly on the cheap? Attach a drone to a concrete-spraying hose, and let it go wild.  Move over architecture, hello spray-chitecture? The Spanish architecture firm MuDD has used drones that spray a cement-like substance onto fabric to construct lightweight structures. The method eliminates the need for expensive construction equipment and could be used, not only to create temporary shelters in humanitarian disaster areas, but also large structures in modern cities in the future, the designers say. Read more on Fast Company and on our project page.