China has rapidly cleaned up its coal plants. Now comes the hard part.
A shift toward software and data analysis has made agriculture a more appealing sector for investors, says leading venture capitalist Brook Porter.
A highly realistic simulated world is proving vital to robotics researchers.
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 startup with radical new battery technology gets a vote of confidence from an appliance maker.
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.