Zafra says he bracketed multiple exposures during the shoot. He then used PixInsight to extract details from the Moon and Photoshop to blend them together with the aurora background. The wide-angle ...

geometric picture — black lines crossing at right angles against a white background, with scattered fields of blue, red, and yellow — in a thin white frame. A long scroll of tiny thumbnail ...

To connect the past to the nationalist movement, she used blue as the background for the Irish Citizen Army’s flag. In 1934, Irish politician W.T. Cosgrave asserted that blue is “in perfect ...

The Blue Light Card, which offers discounts to emergency workers, has since expanded to include other professions, including education. The card costs £4.99 for two years of access to thousands ...

But with this increase in digital consumption comes the inevitable eye strain caused by the blue light emitted from our devices. The British Medical Journal describes this syndrome as “encompass ...

Gray eyes may contain just enough melanin in the front layer to dim the blue wavelengths of light that are reflected back by the tissue of the eye. Dark gray eyes have a bit more melanin in the front ...

Scientists have turned light into a supersolid for the first time in a groundbreaking new study. This milestone is a significant leap forward in condensed matter physics. Dimitrios Trypogeorgos from ...