For most of the developed world, a flick of a switch brings the lights, television, computer, and dozens of other gadgets and appliances to life without question. This seemingly simple luxury, however, masks a complex network of interactions between a variety of suppliers and services, both public and private. Communication between these entities is complicated -- but smart grid technology attempts to make it more effective, more interactive, and ultimately, more efficient.
With the global food crisis, some people feel that using food to make biofuel just doesn't make sense. Could algae be a solution? How could algae possibly fuel cars and even airplanes?
In "The Raiders of the Lost Ark," Indiana Jones competes with grave-robbing Nazis for the lost Ark of the Covenant. But what defined Dr. Jones as legit and the Nazis as grave robbers?