A View from Emerging Technology from the arXiv Waves 'n' Wellingtons The best of the rest from the Physics arXiv this week: October 17, 2009 How Cold is Dark Matter? Constraints from Milky Way SatellitesCoronal Rain As a Marker for Coronal Heating Mechanisms Limits of Quantum Speedup in Photosynthetic Light HarvestingA Review and Demonstration of The Essence of Chaos by Edward N. LorenzModelling the Self-Assembly of Virus Capsids The latest Insider Conversation is live! Listen to the story behind the story. Subscribe today Already a Premium subscriber? Log in.