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A binding agent found in everything from ice cream to cosmetics could let lithium-ion cells hold much more energy.
A microfluidics approach could be ideal for harnessing electricity from footsteps.
A new estimate suggests there’s 80 percent less gas than previously thought. That may still be plenty.
Cobalt hasn’t been mined in the U.S. in 30 years, but the blue metal’s crucial role in energy and communications technologies is changing that.
Inexpensive chips harvest mechanical energy to charge batteries for wireless sensors.
Systems that print mechanical components with metal powder could be used to build lighter, more efficient airplanes.
New printing methods make it possible to create complex, durable parts for airplanes.