Underground waterways between cities receive sewage from houses and roads, and are often exposed to corrosive acids, as well as various pressure and temperature...
A new alloy composed of 3 metals, chromium, cobalt, and nickel, has become the hardest material with the most fracture-resistant properties ever seen on...
At present, all technologies cannot directly find dark matter, but American scientists have recently found a new method to detect dark matter using quantum...