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
A cheap way to alter ammonium nitrate fertilizer renders it unusable in IEDs.
Physicists have finally solved the problem of how pearls form almost-perfect spheres: they rotate as they grow.
Nobody has been able to trap electromagnetic waves inside a metamaterial and then release them again. Until now.
Brazil nuts would rise to the top of a container of mixed nuts on Mars and the Moon, but more slowly than on Earth, say physicists
Laboratory advance shows that nano-imprinting could help the hard drive industry meet its long-term goals for data storage capacity.
Algae-like structures inside a Sri Lankan meteorite are clear evidence of panspermia, the idea that life exists throughout the universe, say astrobiologists.
Researchers have demonstrated a way to give concrete surfaces the ability to heal when small cracks appear, an advance that could allow bridges and other structures to last longer.
Stretchable batteries that can be recharged wirelessly offer a power source for wearable electronics and health monitors.
An impressive video shows a strand of material that folds itself into prescribed shape underwater. The inventor explains how the underlying idea could be useful.
Newly observed properties mean graphene could be a highly efficient converter of light to electric power.