cfc chemicals

There is a reason and has determined it, but science is still not exhaustive as to why ozone-depleting factors are particularly strong in the first months of this year.

Magnetic cooling is not a new idea. In the 1880s, German physicist Emil Warburg discovered the magnetocaloric effect (effect from heat).

Researchers at the General Electric (GE) multinational science and technology group have successfully developed a new cooling technology applied to refrigerators by using magnetic