collectively termed the “electromagnetic spectrum,” of which visible light is but a small portion. Electromagnetic radiation is energy that travels and spreads out as it goes. For example.

The world is awash with the color purple — lavender flowers, amethyst gemstones, plums, eggplants and purple emperor ...

If you live in the southern hemisphere and have been stopped in your tracks by a recent sunset, you may have noticed they seem more vibrant lately. The colors are brighter and bolder, and they ...

A new type of semitransparent organic solar cell (ST-OSC) with an efficiency of more than 10% has been developed, bringing us closer to a future where windows and mobile display screens could function ...

What is ultraviolet light, and where does it come from? Learn how UV radiation is classified, measured, and used in medicine, ...

Mars isn't a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially ...

Skyscrapers maximizes urban land use, but they have high emissions and energy consumption, which is why one U.S. state is ...

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often ...

A team led by Prof. Shlomo Magdassi from the Institute of Chemistry and Prof. Hanna Dodiuk from Shenkar College has recently ...

Physicists have developed a lens with 'magic' properties. Ultra-thin, it can transform infrared light into visible light by halving the wavelength of incident light. Lenses are the most widely ...

Researchers have measured the brain’s faint glow for the first time, hinting at a potential role of “biophotons” in cognition ...