The Dual Propulsion Experiment (DUPLEX) developed by Champaign-Urbana Aerospace uses Teflon and Delrin to generate thrust.
Abstract: A multi-channel stethograph system was designed and developed as an electronic auscultation system for graphic recording of heart, lung, and trachea (HLT) sounds non-invasively through a set ...
I have had one of my biggest years on the bike, and these are the products that allowed me to rack up all those miles ...