The range of colors or wavelengths that a telescope can observe depends on the design of both the telescope itself and the cameras attached to it. For instance, if you’re building a telescope that ...

In April 2019, scientists released the first image of a black hole in the galaxy M87 using the Event Horizon Telescope, or EHT. Now data from 19 observatories — and both on the ground and in space — ...

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 ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. We ...

Banner image: UV light being emitted by a krypton chloride excimer lamp, fueled by molecules moving between different states of energy. (Credit: Linden Research Group) A specific wavelength of ...

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The sun takes on a jewel-like quality in this video from NASA’s Scientific Visualization Studio, which converts light at various wavelengths that are invisible to the human eye into images that humans ...

Visible light travels in electromagnetic waves, which we see as the colors of the rainbow. Different colors have different wavelengths of light. Violet and blue have the shortest wavelengths, whereas ...

An interdisciplinary team of researchers from Korea, Australia, Great Britain, and Germany, with the participation of Leibniz Institute of Photonic Technology (Leibniz IPHT), has optimized an optical ...