Pipe Thread Types and Designations. Overview: Different types of screw threads have evolved for fastening, and hydraulic systems. Of special concern are plastic-. to-metal, taper/parallel threaded joints in hydraulic circuits.
The taut Mike Nichols drama Silkwood (1983) was based on the real life case of a plutonium processing plant metallurgy worker, Karen Silkwood (Meryl Streep), who discovered corporate powers were covering up radiation leaks at Oklahoma's Kerr-McGee plant.
Ross Ulbricht Story. Before he became a gray character and built the most wanted illegal website on earth named Silk Road, Ulbricht was a bright kid who won third grade Math Olympics and got full scholarships at Pennsylvania State University to study Physics . But eventually he lost interest in Physics .