How Light Works
"White Light" Is a Myth: What CRI and Color Tem...
Two bulbs can both look "white" and still send your body completely different signals. Here's what CRI and color temperature actually measure — and why it matters more than brightness.
"White Light" Is a Myth: What CRI and Color Tem...
Two bulbs can both look "white" and still send your body completely different signals. Here's what CRI and color temperature actually measure — and why it matters more than brightness.
How Light Talks to Your Cells
Most people think of light as something they see. Researchers who study photobiology think of it differently: as information — a signal your body has been reading for hundreds of...
How Light Talks to Your Cells
Most people think of light as something they see. Researchers who study photobiology think of it differently: as information — a signal your body has been reading for hundreds of...
Cytochrome C Oxidase: How Red Light Powers Your...
There's a single protein sitting inside almost every cell in your body that can absorb red and near-infrared light directly. Here's what it actually does with it.
Cytochrome C Oxidase: How Red Light Powers Your...
There's a single protein sitting inside almost every cell in your body that can absorb red and near-infrared light directly. Here's what it actually does with it.
Why Screens at Night Hit Your Sleep Harder Than...
It's not just "too much screen time." It's a specific wavelength, hitting a specific cell, at exactly the wrong hour.
Why Screens at Night Hit Your Sleep Harder Than...
It's not just "too much screen time." It's a specific wavelength, hitting a specific cell, at exactly the wrong hour.
Your Body Has a Clock.
Your circadian rhythm isn't a metaphor — it's a precise biological mechanism. And light is the only thing that actually sets it. Here's how it works.
Your Body Has a Clock.
Your circadian rhythm isn't a metaphor — it's a precise biological mechanism. And light is the only thing that actually sets it. Here's how it works.
Not All Light Is the Same: What the Spectrum Ac...
UVB, Red, Near-Infrared, UVA — each wavelength speaks a different language to your cells. Here's the science, translated for people who don't have a PhD in photobiology.
Not All Light Is the Same: What the Spectrum Ac...
UVB, Red, Near-Infrared, UVA — each wavelength speaks a different language to your cells. Here's the science, translated for people who don't have a PhD in photobiology.