Do your kids, spouse, or friends take too much time scanning the contents of your refrigerator? Have your pets figured out how to open the door and keep it open for minutes at a time? You might need the Fridge Saver, a project created by Chris Popp to show how you can monitor a refrigerator--or other device--from almost anywhere you can get a cell-phone or Internet signal. Chris' design will help you keep your cool.
Although plastics make up only about 11% of all US municipal solid waste, many are actually more energy-dense than coal. Converting these non-recycled plastics into energy with existing technologies could reduce US coal consumption, as well as boost domestic energy reserves, says a new study.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.