How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

You probably know the speed of light is 299,792,458 metres per second. What does that mean in layman's terms? According to At-Bristol's Ross Exton, you can prove the speed of light... using chocolate.

Researchers have successfully demonstrated a spectrometer that is orders of magnitude smaller than current technologies and can accurately measure wavelengths of light from ultraviolet to the ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. In the last few weeks I've been working on a slightly more formal ...

Two million microscopic mirrors help astronomy laser technology shape light in a breakthrough breakthrough that could sharpen astronomers’ view of distant worlds ...

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 ...

...and fellow Twente, Netherlands, spinoff Superlight Photonics announces completion of seed investment round. MESA+ Institute for Nanotechnology, part of University of Twente, Netherlands.

The following application note describes how to use the Zurich Instruments MFLI, a 500 kHz Lock-in Amplifier, for the purpose of measuring, stabilizing, and controlling the relative distance of two ...