White light-emitting diodes (LEDs) have tremendous potential for energy-efficient illumination. However, achieving white light emission with a 'colour temperature' that is not too blue is a ...

Researchers led by Nadia Zakamska of Johns Hopkins University measured the gravitational redshift of the light coming from more than 26,000 white dwarfs scattered about our Milky Way galaxy ...

It’s the final holiday stretch for President Joe Biden and his wife, Jill, who has decked out the White House with some whimsical decorations to evoke the “peace and light” of the season.

Learn more› By Kaitlyn Wells and Zoe Vanderweide If you believe the hype, blue-light blocking glasses will ... include those for women’s jeans, white sneakers, cheap sunglasses, bras, and ...

Artists have always tried to go one better than Bing Crosby’s White Christmas, the song that arguably defines the holiday season like no other. Year after year, artists and songwriters have been ...

This basic white sauce recipe is so versatile, and can be dressed-up or dressed-down for any occasion. Add cheese, or flavour the milk with onion or bay. Each serving provides 657 kcal ...

White spots appear on the teeth when the tooth’s enamel starts decomposing due to plaque. However, a wide range of cases can bring this erosion on and lead to decalcification. Here’s a quick overview ...

If you're not sure if light therapy is right for you, start with a smaller and less expensive lamp. This model is just like the Luxe light therapy lamp, but more compact and with fewer features ...

Blue light is a specific kind of light with a short wavelength. This type of light is emitted from your computer screen, your mobile device, your flat-screen television, and many other devices ...

LED (light-emitting diode) therapy is a type of treatment that uses lights of different wavelengths to treat a variety of skin conditions, such as acne, scar tissue, and the effects of aging. Most ...