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Fabrication is moving to the nanoscale, aided by a super-hard tip 10,000 times smaller than a pencil point that could be used for microscopic biosensors and optical probes.
While automakers chose to develop hybrids and hit or miss electric cars, Mazda is looking to forge a new era of more efficient, cleaner burning gas and diesel engines with its new Skyactiv technology.
Spike TV's "Deadliest Warrior" returns for its new season this month. CNET visits weapons fabricator David Baker at his workshop to see how the show gets its historically accurate reproductions of arrows, daggers, swords, and such.
It was once an obscure topic only for geologists. But China's control over rare earth elements used in green- and high-tech equipment is causing alarm as the nation cuts exports.
Inventor says societal priorities and resistance to change slow adoption of potentially superior tech, including a water purification and power generation system he developed for poor countries.