Two projects of the university scientists took first place in their nominations, three more received silver and bronze awards. On Wednesday, March 27, Empress Catherine II Saint Petersburg Mining University summed up the results of participation in XXVII International Salon of Inventions and Innovative Technologies ”Archimedes”, which was traditionally held in Moscow. This year it gathered representatives of 28 states and 30 regions of our country, together they exhibited 570 developments in 30 different areas.