资讯

PLEASANT, S.C. – The first eight enlisted sailors and five additional officers from the Royal Australian Navy graduated from the U.S. Navy’s Nuclear Power Training Unit (NPTU) Charleston as part of ...
Chemists have confirmed a 67-year-old theory about vitamin B1 by stabilizing a reactive molecule in water—a feat long thought ...
Traditional hydrogen bombs work through nuclear fusion, a process where atomic nuclei combine under intense pressure to ...
On Sept 27 1825, the Geordie civil engineer George Stephenson connected Stockton with Darlington, as he opened the world’s ...