资讯

IFLScience on MSN7 天
"Shape-Recovering Liquid" May Be An "Exception" To The Laws Of Thermodynamics
A student playing around with fluids and magnetic materials in the lab may have accidentally found an "exception" to the laws ...
Business Insider8 年
SpaceX uses deep-cryogenic LOX which is different rocket fuel from anyone else
For nearly a year, SpaceX has been trying out something new: super-cooling the liquid oxygen (LOX) which is a key ingredient in rocket fuel. It's called deep-cryo LOX, and the idea has been around ...
SB.BY15 天
Working shift
A pressure of 200 atmospheres and a temperature of minus 183 degrees: entire families work at this unique enterpriseWhat is it like to ...