Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...

Researchers have designed and tested ‘human-centric’ LEDs that emit different wavelengths of blue light depending on whether it’s daytime or nighttime, reducing the disruptive effect artificial light ...

LED lights have taken over modern homes and workplaces. They're energy efficient, affordable, and marketed as the future of ...

Exploring the evolution of LED lighting in cinematography, from red light solutions to the challenges of achieving deep blue and ultraviolet effects for more natural skin tones. It’s easy to assume ...

Does a blue light keep you up at night? No, it’s not an alien invasion. The city of St. Paul has been gradually replacing LED street lights suffering from an unusual manufacturer’s defect — they’re ...

Saving energy is about small, consistent habits paired with the use of smart technology. Use LED rather than incandescent light bulbs. Choose solar or rechargeable options when available. Adopt smart ...

Have you ever sat in your living room squinting over a crossword puzzle, struggled to find your way to the bathroom at night, or noticed at midafternoon that your morning shave missed half your chin?

Light pollution blues: photographs of London taken on board the ISS in 2012 (left) and 2020 (right). The images show the whitening and brightening of the city. (Courtesy: A Sánchez de Miguel et ...