Millions of batteries discarded with computers have more than enough life to power home lighting for one year, researchers in India say.
With new “inks” containing semiconductors, researchers have been able to print LEDs for the first time.
The delicate, monthlong process of growing sapphire accounts for why Apple’s sapphire supplier failed to deliver for the iPhone 6.
A startup has created a water-repellent coating that could significantly increase power plants' efficiency.
A new solar power system is easy to add to a roof, and performs its own safety checks.
Gecko-inspired adhesives can help humans climb and may provide a better grip for robotic arms in factories and in space.
A novel kind of nanoparticle could lead to more effective cancer treatments.
A startup has started selling a battery that helps solar and wind power operate in remote locations.
A smartphone-connected device delivers electrical stimulation to nerves in the head.
New CAD software takes input from designers, then “evolves” new designs on its own.