Science and Technology Review April/May 2012

This month's issue has the following articles: (1) Lawrence Livermore as the 'Go-To' National Security Laboratory - Commentary by Penrose (Parney) C. Albright; (2) Launching Traffic Cameras into Space - The Space-Based Telescopes for Actionable Refinement of Ephemeris project is designing nanosatellites to more accurately determine the trajectory of space objects orbiting Earth; (3)An Improved Tool for Nuclear Forensics - Resonance ionization mass spectrometry provides rapid isotopic analysis for studying materials derived from nuclear events; (4) A Simple Way to Better Protect Soldiers against Head Trauma - A modest increase in the foam padding used in Army helmets could significantly reduce brain injuries; and (5) Shocking Aluminum for Greater Understanding - Experiments using a laser beam to hit a thin film of aluminum provide an unprecedented look into the physics of shock waves traveling through a metal