资讯

Driving through cities you will see a mass of buildings being built as they are popping up everywhere these days.
Buildings make us think of steel, concrete, and plenty of time before a structure is complete. But what if you required a fully functional, durable building in a quarter of the time frames, either ...
When a liquid metal cools and turns into a solid, its atoms come together to form crystals. The structure of these crystals is not perfect. Sometimes an extra layer of atoms squeezes between other ...
In the diagrams presented in the other three sections, the points show where atoms would lie if there were no motion due to heat; that is, if the metal's temperature were at absolute zero (-273°C).