3D Printer

The home is made entirely from a wood-based material, which University of Maine researchers say is an inexpensive, renewable and recyclable building option.

Maine has a shortage of at least 20,000 affordable homes. But traditional building is expensive, time-consuming and a major contributor of carbon emissions. The University of Maine believes it has a solution that could eventually help.

Researchers at the University of Maine unveiled the world's largest 3D-printer on Thursday and set 3 Guinness World Records: for the largest printer, the…