Photons are odd little beasts. They can act like waves. They can act like particles. They are teeny tiny messengers of force. They are carriers of energy. If you're enjoying this article, consider ...

Astronomers normally observe galaxies by observing light these objects emit, but some tricky galaxies require a different approach. When you purchase through links on our site, we may earn an ...

A diagram shows an optical nanoresonator embedded within a slab of low-index material to test its performance. University of Wisconsin-Madison engineers have created a nanoscale device that can emit ...