资讯

Nature Materials - Portentous polymersBut 'Mylar' is precisely the right choice. It gives readers the frisson of being surrounded with materials the names of which they barely know and the ...
With 2013 approaching termination, it may be a good time to review the five most portentous events and developments of the year. These are events and developments that hold out hi ...
This article was originally published with the title “A Portentous Bridge Disaster” in Scientific American Magazine Vol. 97 No. 11 (September 1907), p. 182 doi:10.1038 ...