The U.S. Defense Department's Deeply Flawed Electronic Health Records Program

A new report calls the early roll out of an electronic health records system “operationally unsuitable,” but its managers disagree Photo-illustration: Michele Hadlow; Images: iStockphoto A US $4.3 billion electronic health records program for the U.S. Department of Defense is “neither operationally effective nor operationally suitable,” according to a recently…

Robotic System Leads to Mass Assembly of Nanostructures

A precursor to molecular nanotechnology, the robotic system is already poised to be commerically available Image: Riccardo Frisenda In the sci-fi addled popular imagination, the term “nanotechnology” conjures an image of nanobots assembling macroscale objects atom-by-atom. Whether these nanobots end up being the soft, biological variety or the hard, diamondoid version,…

Hiding Information in Plain Text

Subtle changes to letter shapes can embed messages Image: Columbia University <!-- @page { margin: 0.79in } P { margin-bottom: 0.08in } A:link { so-language: zxx } --> Computer scientists have now invented a way to hide secret messages in ordinary text by imperceptibly changing the shapes of letters. The…