Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

We love Arduino here at Hackaday; they’ve probably done more to make embedded programming accessible to more people than anything else in the history of the field. One thing the Arduino ecosystem is ...

As nights have gotten brighter, the list of health problems linked to artificial lighting has gotten longer, from insomnia to cancer. Lighting in urban areas like Chicago (shown) has gotten brighter ...

Posts from this topic will be added to your daily email digest and your homepage feed. Striking the right balance for a minimalist phone is hard, and sometimes a couple of new features can go a long ...

This ‘dumb phone’ didn’t (completely) replace my smartphone, but it did change my life. This ‘dumb phone’ didn’t (completely) replace my smartphone, but it did change my life. was laptop reviewer at ...

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If your social media feed is full of glowing red face masks and crimson saunas, you're not alone. Lately, it seems like everyone is obsessed with red light therapy and hailing it for its various ...

The first humans to sit around campfires probably observed a strange example of animal behavior that continues to perplex people today. They would have seen insects that emerge from the night and ...

Blinking LED: The classic "Hello, World!" of Arduino is the blinking LED project. It introduces you to the fundamental principles of writing code, uploading it to your Arduino board, and seeing ...

Slowing down light is not as easy as it sounds. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The phenomenon of light slowing down as it passes ...

Light is faster than anything else in the known universe, though its speed can change depending on what it's passing through. When you purchase through links on our site, we may earn an affiliate ...

Light is part of various disciplines, shaping the world as we know it. In physics, it serves as a measure of speed and makes vision, and the recording of images by the eye and camera lens possible.