Ride the City maps the best or safest urban bicycle route from point A to B. Presently featuring multi-lingual maps from New York, Chicago, Austin, Louisville, San Diego, and Seattle. Their blog posts updates about new cities added to the grid, or other topics relating to urban bicycling.
This used to be really hard with CSS. Fluid 960 Grid System: Up to 16-column grid design that is flexible and fluid. Created by Stephen Bau, based on the 960 Grid System by Nathan Smith. [previously]
If you're a designer, you need the Grid System.
Northeast could face energy chaos, MIT expert warns "The existing transmission grids were designed to serve regional needs. Power transfers from one grid to another were meant for emergencies only. Computer simulations performed at MIT show that heavy use of grid interconnections to tap cheaper power sources can have unintended effects. Trades between two regional grids can adversely affect operations in a third regional grid, potentially leading to frequency and voltage disturbances." But don't panic, MIT's Competitive Power Systems Group (funded "from a variety of industrial sources") has a solution. FUD or useful idea?