illumipure
Bio
Sharing insights on indoor air quality, sustainable lighting, and healthier built environments. Here to help people understand the science behind cleaner indoor spaces.
Stories (65)
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Circadian Rhythm Doesn’t End When You Walk Indoors
Most people think of circadian rhythm as something connected primarily to daylight and nighttime. The rising sun signals the body to wake up. The darkness of evening encourages rest. For thousands of years, this natural cycle regulated how humans slept, worked, and recovered.
By illumipure3 days ago in Journal
What Happens to Your Eyes Under a 450nm Spike
You don’t see the spike itself. You see white light. Clean. Neutral. Bright. But embedded inside much of modern LED lighting is a narrow concentration of energy centered around 450 nanometers — a region of high-energy visible blue light. It became standard not because it was biologically ideal, but because it was efficient.
By illumipure9 days ago in Journal
Why Comfort Was Not the Same as Relief
For a long time, I thought comfort was enough. If the chair was soft, the temperature moderate, the lighting bright enough to see clearly, I considered the space comfortable. I wasn’t in pain. I wasn’t shivering or squinting. Nothing felt obviously wrong.
By illumipure14 days ago in Journal
When the Environment Let Me Think Without Effort
For a long time, I believed thinking was supposed to feel heavy. Not exhausting exactly, but effortful. If I was concentrating properly, there would be a slight tightening in my forehead. A subtle pressure behind the eyes. A sense of pushing thoughts forward.
By illumipure15 days ago in Journal
How My Energy Lasted Longer Without a Boost
For years, my energy followed a pattern. Morning clarity. Midday focus. Then, sometime in the afternoon, a subtle drop. Not dramatic, but noticeable enough to reach for something—a second coffee, a sugary snack, a quick walk just to wake myself back up.
By illumipure16 days ago in Journal
Why Some Spaces Drain You Even on Easy Days
There are days when the work itself is light. No urgent deadlines. No difficult conversations. No mental strain beyond the usual rhythm of emails and small tasks. By all reasonable standards, it should feel like an easy day.
By illumipure18 days ago in Journal
