The air is thick with anticipation as I walk into the waiting room right after having laser eye surgery. “What do you see?”, says one person, leaning forward. Another asks if it hurts. I smile, ...

Researchers have announced an important step in the development of a next-gen technology for making X-ray free-electron laser pulses brighter and more stable: They used precisely aligned mirrors made ...

Unless you're a physicist, you probably don't pay too much mind to the function of light in your daily life. Light is light, right? When there is light, we see, and when there isn't, we don't. But ...