On March 19, Meredith T. Schwartz ’27, along with all other Harvard undergraduates, received a text from the Harvard University Police Department: Due to a technical issue, all campus “blue light ...

Call it the fifth generation of light—the availability of electric lights that promote health and well-being by automatically mimicking the natural cycle of light. They switch between blue-rich ...

Have you been seeing a lot more blue lights where you live? Ohio citizens have been switching their front porch lights to blue bulbs, joining the Light Ohio Blue campaign. Here’s more about it and how ...

Blue light has had a negative impact on our health since the pandemic, and it’s all thanks to all-time high digital screen time levels. Blue light is known to affect sleep habits and overall work ...

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 ...

Many motorists seem to treat traffic lights as optional, barreling through red lights without a care in the world. In a bid to clamp down on red light runners, authorities in Florida have started ...

Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights perched near traditional red, yellow and green signals. They are not decorative ...

Pull up to an intersection at a red light, eyes ahead, scanning left and right. Maybe the blue light from the traffic signal caught your eyes, like it did for Bob Thompson of Mill Creek. “What is the ...