This time it is a writeup on the best ways to create IR light sources from regular lights. Since normal flashlight bulbs emit a broad enough spectrum to include visible light and IR light ...

RCW 38 lies approximately 5,500 light-years away in the constellation Vela. Unlike many star clusters that appear as simple ...

The European Space Agency's XMM-Newton X-ray observatory has identified what's causing mysterious lights in the outskirts of ...

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 ...

consists of photons with wavelengths spread fairly evenly across a wide range of the visible spectrum. LEDs and other electric light sources are not quite as uniform across the spectrum, but they ...

Valentine's Day could bring a dazzling display of the northern lights for stargazers in some parts of the U.S.

That's because when the solar particles interact with Earth's magnetosphere, the powerful eruption should make the vibrant northern lights visible ... locations free from light pollution so ...

to convert non-visible to a visible light source, or to provide increased light sensitivity for high-speed imaging applications. Over the last 20 years - Resolve Optics has developed a reputation for ...

Iron oxide, found in tinted sunscreens, can protect against the visible light spectrum. Bemotrizinol, a highly effective and cosmetically attractive option, is highly anticipated in the U.S. MIAMI ...