Researchers make cells with near-perfect internal efficiency.
Flexible carbon-nanotube supercapacitors could give more power to cell phones and other electronics.
Nanowire arrays could be used for future medical implants.
Slicing open carbon nanotubes could lead to much faster electronic components.
Tiny boats made of nanomaterials are powered directly by sunlight.
The device harnesses both sunlight and mechanical energy.
A new heater cable lowers the cost of separating oil-like fluid from rock.
The first mechanically activated catalyst might be used in self-healing materials.
The material could replace platinum in hydrogen vehicles.
Graphene could make computer hard drives denser and speedier.