A brief outline from the global history of discovery and initial study of radioactivity of chemical elements is given, the phenomenon being of fundamental scientific and engineering significance for mankind.

A brief outline from the global history of invention of chemical explosives widely applied to solving military-engineering and national-economy tasks is given.

In the article, origination of a new direction in Electrical Magnetic Metal Forming such as magnetic pulse attraction of thinwall sheet metals is analyzed. Patent No. 3,196,649 (H.Furth, 1965) claim is commented. Practical ...