Hong Kong University of Science and Technology

Humankind's colonization of Mars is approaching, and with it will come self-sustaining biospheres, autonomous rovers, and, perhaps, mud houses. Scientists have created a recipe for 3D-printing houses on Mars using Martian sand, yeast, and gelatin.

Researchers have developed a mind-blowing tool to not only create a digital twin of your childhood toys and other precious items, but also make them function like the real thing in mixed reality. It's the future of preserving the past.