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, ...

Shine an ultraviolet flashlight on flying squirrels, and they glow bright pink. Catch a scorpion on a full moon, and you’ll notice that it’s a haunting blue. Rays and sharks can turn neon green, while ...

You can learn a lot about animals by simply watching them. But some secrets can only be revealed in the dark ... with an ultraviolet flashlight. You can learn a lot ...

Lomi indoor composter review: A great solution to food waste ...