With fresh funding from the Thiel Foundation, startup Medella is going up against Google and Microsoft to build a smart contact lens.
China has rapidly cleaned up its coal plants. Now comes the hard part.
A leading researcher issues a call for pills that deliver a full course of treatment in one swallow.
A prototype hybrid quadcopter can fly several times farther than conventional battery-powered ones.
A startup’s version of 3-D printing is faster and cheaper (and makes better objects).
A miniature electrical propulsion system could let small satellites fly in formation for cheaper imaging.
An innovative startup that blends solar energy and battery storage reflects broader interest combining the technologies.
Researchers have demonstrated a long-lasting device for making hydrogen from sunlight and water—but funding is running out.
A startup called Voxel8 is using materials expertise to extend the capabilities of 3-D printing.
A new process could extend the use of titanium for lightweight, more fuel-efficient airplanes.