Once the rising star of the clean-tech industry, the advanced battery maker faces an uncertain future.
Large sheets made from carbon nanotubes could lead to lighter aircraft and more resilient space probes.
More in Materials
Equipment for making microchips has led to solar cells that are twice as efficient as conventional ones.
Severe droughts are forcing researchers to rethink how technology can increase the supply of fresh water.
South Korean and U.S. researchers have developed a stretchable material that senses touch, pressure, and moisture, and could be used to give artificial limbs feeling.
Stretchy, conductive films made of novel nanobuds could bring touch sensors to more surfaces.
Diamonds are a physicist's best friend--when it comes to measuring the tiniest magnetic fields.
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.