Physicists use a 350-year-old theorem that explains the workings of pendulums and planets to reveal new properties of light waves. Since the 17th century, when Isaac Newton and Christiaan Huygens ...

Dusk-to-dawn light bulbs turn on at dusk and turn off when daylight breaks, detecting the change in light using a photocell ...

Red light therapy usually takes the form of a face mask, light panel, or wand equipped with LED lights, which you place near your skin to let your cells “absorb” the light. “Red light therapy is ...

What Is Therapeutic Light Therapy? Therapeutic light therapy, also called phototherapy, is a form of treatment for certain types of depression, sleep disorders, and other conditions. It involves ...

Frederic Gachon is currently receiving funding from the National Health and Medical Research Council (NHMRC), the Velux Stiftung, and the US National Institute of Health. He has previously received ...

If you’ve stumbled into red light therapy videos on social media, you’ve probably heard that it clears acne, reduces wrinkles, reduces inflammation, and heals joints. You may have also heard that it ...