Making Revolution
The U.S. can compete with China if it gives factory workers smarter tools.
Materials
Rare Talents
Metals crucial to electronics are in short supply, and so are the skills needed to solve the problem.
Light Bulbs Reinvented
Higher-efficiency lighting would save lots of energy -- and organic light-emitting devices are one promising solution.
Material Alert
Two MIT scientists are designing clothes for soldiers that can "see" colors and "feel" heat and cold.
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