【CMHnews】Chinese space scientists and taikonauts have successfully heated tungsten alloy to over 3,100°C inside the container-free material science laboratory cabinet, setting a world record, China Central Television (CCTV) reported on Sunday.       The container-free lab allows scientists to study heat-resistant materials under extreme temperatures in ways impossible on Earth. It also captures "hardcore data" unavailable through ground-based experiments, which in turn clears