This thesis addresses the evolving field of measurement science, specifically that of mass spectrometry (MS) and ion mobility spectrometry (IMS) based techniques. It focuses on the design, construction and implementation of low-cost, easy-to-manufacture measurement tools that are used in modern settings such as airport security screening. Advances in these technologies often involve minimal performance enhancement…

“A must-read for this era.”—Jake Tapper, CNN Anchor and Chief Washington Correspondent An insightful, urgent, and perennially relevant handbook that lays out in common sense language how the United States Constitution works, and how its protections are eroding before our eyes—essential reading for anyone who wants to understand and parse the constantly breaking news about…

This guidebook is built on years of advisory work, scores of first-hand interviews, and careful research and analysis. It includes a statistical appendix offering a range of indicators on the status of veterans, an up-to-the-minute review of services provided by the government, and many details for donors anxious to be as helpful as possible to…

A Model of Its Kind: A centennial history of medicine at Johns Hopkins [VidConnect vidp=’26406′ vidn=’0′ vidt=’default’ vidv=’DbCwf2CzGvw’] Scott Sonnon’s new Primal Stress program is a comprehensive, plug-and-play bodyweight training program that will help you develop a high standard of fitness by burning stubborn fat, building functional muscle, injury-proofing your body, and improving your conditioning…