Add Yahoo as a preferred source to see more of our stories on Google. Laser-like light that spans a wide range of frequencies is a powerful tool for science and industry. From semiconductor chip ...

Can living beings, plants, animals, and even humans emit light, silently and invisibly, as a part of their biological processes? A recent study published in The Journal of Physical Chemistry Letters, ...

Researchers hope the technique could offer a more environmentally friendly approach to cleaning up messy clothing. By Jacey Fortin A crisp white shirt can be a dangerous thing. It seems to invite a ...