iPhone Application for arXiv.org
arXiv.org is a fully automated electronic archive and distribution service for research papers covering physics and the related disciplines of mathematics, nonlinear sciences, computer science, and quantitative biology. Theoretical physicist David Bacon recently developed an iPhone application for arXive.org called arXiview. It has several nifty features and functionalities including browsing and searching arXive.org, and reading PDFs. Screenshots and more information about arXiview are available here.