Coal could be a source of cheap, nontoxic fluorescent nanoparticles useful for biomedicine.
A new kind of power adapter is barely bigger than a plug.
The reported acquisition by the Chinese company Hanergy is another sign lean times for Alta Devices, but it could ultimately help the technology.
Prototype batteries that dissolve safely in the body could power ingested devices.
Does humanity’s tightening grip on the fate of nature portend new sources of global conflict?
Crops that aid humanitarian causes may soften opposition to genetic modification, says Mark Lynas.
Electric vehicle range drops in cold weather, and technological solutions are years away.
SolarCity’s new battery system might help solar become a significant source of electricity.
New catalysts turn carbon dioxide into fuels faster and more efficiently.
Using plastic to absorb light could lower the cost of solar power.