Linda Reisman invested almost $700,000 in a robotic arm that can 3D print concrete walls. Her plan is to print her own home, but she also believes the technology can help solve Canada's housing crisis ...

Natural materials like mud, earth and dung, as well as fibrous materials such as straw were used to build homes for centuries. Straw in bale form has been used for buildings since the 1800s. After the ...