Aerospace and Mechanical Insider on MSN

3D printing homes on Earth and the Moon

In Austin, Texas, a construction site hums without hammers or saws. Instead, a robotic nozzle extrudes layers of concrete, building walls bead by bead. This is the work of Icon, an eight-year-old ...
This isn’t sci-fi. NASA is building a moon base in a bid for “semipermanent” astronaut presence.