资讯

From China developing world’s fastest hard drive to deaths of AI scientists, here are some highlights from SCMP’s recent ...
Watch an exciting chemical reaction between an acid and a base create a volcanic eruption! This classic experiment teaches about chemical reactions, gases, and pressure while creating an impressive ...
Chinese researchers have successfully detonated a hydrogen-based explosive device in a controlled field test, triggering devastating chemical chain reactions without using any nuclear materials, ...
explosive device ... while at a school (or) a school-sponsored activity... unless the material or device is being used as part of a legitimate school-related activity or science project conducted ...