Melanopic EDI

Monitor bars, floor lamps, wall and ceiling fixtures — what each one does to the light, and which desk setup fits which workflow.

What if a task force treated light and time as public infrastructure? The science of circadian alignment — and the policies that follow.

670nm is a badge, not a mechanism. Here's how to actually shop for a sleep light.

That "670nm" on your sleep light isn't about melatonin at all. It's about copper atoms in your mitochondria — and the dose is probably fictional.