Hong Kong University of Science and Technology

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.

We're caught in a vicious circle of facing increasing temperatures across the planet, and combating that with air conditioning – which in turn causes global warming. A problem worth throwing a whole lot of science at, if there ever was one.