Graphene layers dramatically reduce wear and friction on sliding steel surfaces
Graphene's hexagonal structure makes it an excellent lubricant.
NASA Probe Observes Meteors Colliding With Saturn's Rings
This photograph of the meteor streaking through the sky above Chelyabinsk, Russia, on...
Smart science in the fight against malaria
Female anopheles mosquito.
How Could Light-emitting Monolayers Benefit Soldiers?
Penn State researchers working with the Army Research Office showed...
Hubble Captures Comet ISON
Galaxy Goes Green in Burning Stellar Fuel
The tiny red spot in this image is one of the most efficient star-making galaxies ever observed, converting gas into...
Scientists provide 'new spin' on emerging quantum technologies
Images illustrate how collective spin excitations behave under the effect of the spin-orbit field, with and without external magnetic field...
New material approach should increase solar cell efficiency
The correlated electron metal SrRuO3 exhibits strong visible slight absorption. Overlaid here on the AM1.5G solar spectrum, it can be seen...
