Manufactured sapphire is incredibly strong and scratch resistant. Now falling costs and technology improvements could make it competitive with glass.
Laboratory advance shows that nano-imprinting could help the hard drive industry meet its long-term goals for data storage capacity.
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.
Newly observed properties mean graphene could be a highly efficient converter of light to electric power.
Fibers spun from carbon nanotubes have the conductivity of copper and the strength of advanced composites.
Curiosity sees tantalizing hints of compounds needed for life, but further analysis is needed to make sure it's not contamination from Earth.
Once the rising star of the clean-tech industry, the advanced battery maker faces an uncertain future.
Peratech thinks printable electronic sensors of volatile compounds could find their way into textiles.
Heat-assisted magnetic recording promises 60-terabyte hard disks.