A simple, cheap device turns sunlight into hydrogen fuel.
Tesla and Solar City say their vast manufacturing operations will make solar the cheapest source of electricity in the United States.
A faster enzyme for turning CO2 into sugar is a key step toward much higher crop yields.
A soft, lightweight exoskeleton developed at Harvard applies assistive force without interfering with a person’s normal gait.
One of the most promising new manufacturing technologies still faces big hurdles.
Nanostructured ceramics could be used to build lighter, stronger airplanes and batteries.
Ultrathin sapphire laminates could lead to new screen covers that are harder to break.
The technology needed to make flexible displays, electronics, and batteries is being tested.
To make sapphire screens, Apple would need to source high-quality raw material and be clever about incorporating it into devices.
Tesla’s gigafactory plan depends on selling 10 times more cars by 2020 than it does today.