Ultraviolet light

Albert Einstein's stimulated emission theory has been validated by large amounts of light, but never before by individual photons—until now.

Ultraviolet photography is something that relatively few photographers explore, but it’s a fascinating realm to explore with less of an investment in equipment than most people think.

This is the definition of ultraviolet radiation or UV light, with a look at its wavelength range and uses.

The key to understanding biology is a solid foundation in its most basic concepts. These resources will introduce you to basic biology principles so you can move on to more complex topics.

You can make tons of things glow in the dark using a black light or ultraviolet lamp. Discover 15 science projects that you can attempt.

The products that have successfully made it to the market shelves come with an alluring description and many of them claim to kill the 99.9% virus. The question that hovers on our mind is that are these UV lights really successful in killing the virus? Which UV wavelength works the best and what is the time for UV exposure to kill the viruses.

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Exposure to blue light from the Sun decreases blood pressure, increases plasma nitric oxide, reducing the risk of developing cardiovascular disease.

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New research may finally be answering the question of why scorpions glow in ultraviolet light, like that emitted by black lights and the moon.