Anyone familiar with optics labs is familiar with the extremes of light coherence: laser beams are highly coherent, producing clear interference patterns used for precise applications like atomic ...

This “smart lighting” could potentially cut vertical farms’ electricity costs by up to 12 percent, says Leo Marcelis, a horticulturist at Wageningen University in the Netherlands.

Alcon Inc.’s ALC growth is driven by its robust Surgical business. The performance of the Vision Care arm also appears encouraging. However, concerns remain about the macroeconomic headwinds ...

Light therapy may improve sleep by helping to regulate your circadian rhythm, promoting alertness during the day and facilitating better sleep at night. Share on Pinterest It may seem ...

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Ball lightning has fascinated and puzzled people for centuries. This rare and mysterious phenomenon, often described as a glowing sphere of light that appears during thunderstorms, has been the ...

Are you dim when it comes to home lighting? I am (no shade, please). When moving into my 1920s-era Colonial a decade ago, I was delighted to buy in my dream town of Arlington, so much so that I ...

Are you dim when it comes to home lighting? I am (no shade, please). When moving into my 1920s-era Colonial a decade ago, I was delighted to buy in my dream town of Arlington, so much so that I ...

Thanks to quantum effects, a particle of light can exit a cloud of extremely cold atoms before it even enters. When light goes into a material, its speed changes as its particles, or photons ...

One of the great pleasures of portrait photography is the ability to transform the mood and look of an image with just a small tweak to your lighting setup. Outdoors, for instance, you might rely ...