Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. The last couple of weeks of the science blogosphere have seen two ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. One of the dumber assertions that always turns up in arguments about ...

Focused laser-like light that covers a wide range of frequencies is highly desirable for many scientific studies and for many applications, for instance, quality control of manufacturing semiconductor ...

A revolutionary kind of laser light called an optical frequency comb makes possible a more precise type of atomic clock and many other applications In the blink of an eye, a wave of visible light ...

As we all know, our most important source of visible light is the sun. Those of us who have stayed out in the sunlight on a bright summer's day a little bit too long also know that solar radiation ...

Scientists report the first ever measurement on the optical spectrum of an antimatter atom. This achievement features technological developments that open up a completely new era in high-precision ...

Quantum materials just made light do the "impossible", unlocking hidden terahertz waves that could transform future technology.

Visible light is a form of electromagnetic (EM) radiation, as are radio waves, infrared radiation, ultraviolet radiation, X-rays and microwaves. Generally, visible light is defined as the wavelengths ...

Intense Pulsed Light, or IPL, is a new and exciting way to improve and rejuvenate the skin. Unlike a laser, which emits one specific wavelength of light, IPL emits a broad spectrum of light with each ...