Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing applications; however, previous UV-B laser diodes were limited to pulsed operation ...

Now researchers in Japan have reported the world’s first continuous-wave UV-B semiconductor laser diode operating at room temperature on a low-cost sapphire substrate. This breakthrough by researchers ...

Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing ...

From heritage reinventions to bold explorations of form and texture, Milan’s Fall/Winter 2026 menswear shows demonstrated ...

In this short science clip, I show how ordinary peanut butter can actually glow when you shine violet UV light on it. I explain the fluorescent phenolic compounds found in peanuts, turn off the lights ...

An international research team has developed a new two-dimensional perovskite interlayer based on a co-crystal engineering strategy for more robust perovskite films. It demonstrated improved ...

A massive purple star sapphire weighing 3,563 carats has been unveiled in Sri Lanka. The owners, who wish to remain anonymous ...

Despite their sturdy provenance in the earth's mantle, great sapphires are a fragile commodity. Here, Sri Lanka's newest ...

Researchers at the University of Georgia have found that six North American bat species can glow under ultraviolet light. The findings were published in the journal Ecology and Evolution. Although ...

This build uses a practice called thin layer chromatography, which separates the components of a mixture by allowing them to travel at different rates across a thin adsorbent layer using a solvent.

India's KFC and Pizza Hut operators Sapphire Foods India Ltd. and Devyani International Ltd. are coming together in a $934-million deal, creating a fast-food powerhouse in the world's most populous ...