Optical design software is used by engineers and scientists to perform a variety of tasks, including illumination calculations, laser beam propagation, stray light ... JPEG, PNG and TIFF files.

Engadget's experienced editorial team has tested and reviewed hundreds of digital cameras and photography gear over the past 20 years to help you find the best options available.

Laser plasma acceleration is a potentially disruptive technology: It could be used to build far more compact accelerators and ...

Suddenly, there's a flash of intense light and heat, followed by a rapidly expanding fireball. Combustion of high explosives ...

Harmless pranks on the ground can mean serious trouble in the sky. Laser strikes are when people point a laser at a plane that’s in flight, and local pilots say the problem is getting worse.

These lasers are a part of “GuideStar,” a sound and light installation spearheaded by nonprofit Wa Na Wari to celebrate Black art and Black joy. As we face a moment of stark political division ...

The best laser hair removal devices include models from Braun, Nood and more. Devices designed for home use are typically IPL (intense pulsed light) tools—many of which are featured in our ...

But first, keep scrolling for my top picks: Annoyingly, there are currently no at-home laser-hair removal devices that are safe to use on dark skin and/or light hair, even if the device says it wo ...

Using a gallium arsenide structure embedded with microscopic ridges, the team fired a laser to produce hybrid light-matter particles known as polaritons. As the number of photons increased ...

A Russian company has deployed what it calls the "first space media satellite" into orbit as part of a plot to sell the night ...

Researchers from Aalto University in Finland demonstrated a proof-of-concept of laser-processed glass to be used as a type of solar concentrator for building integrated PV (BIPV) applications. The ...

This so-called ionization can also be achieved using high-power laser light or microwaves. Plasmas are found naturally in stars and in space. Plasma-wakefield acceleration enables bright ...