UV (ultra-violet) LEDs can produce eye-catching effects when their light is allowed to interfere with certain colours, particularly with reflected light under near-dark conditions. Also try shining ...

The illuminated trail will run every Thursday, Friday and Saturday evening, with a 45 to 60-minute route through the gardens.

While trekking through the tropical forests of northern Vietnam, scientists unexpectedly discovered wasp nests that glow fluorescent green under ultraviolet light. The nests, which look like a cluster ...

Muyshondt makes totally over-engineered, no-expense-spared pocket flashlights for camping and other uses, but this one uses an ultraviolet LED made especially for watches — and, more specifically, ...