#lighting-design
21 episodes
#5031: Circadian Lighting: Sunset vs. Your Body Clock
Is your smart home's "red light before bed" actually synced to your biology? We dig into chronobiology, latitude, and lighting design.
#5030: How the Blue LED Quietly Rewired the World's Energy Grid
From 15% of global electricity to under 10%—how a semiconductor breakthrough made lighting nearly free and what's next.
#5028: What 670nm Red Light Actually Does for Sleep
670nm is a badge, not a mechanism. Here's how to actually shop for a sleep light.
#5027: The 670nm Sleep Light Myth: What That Number Really Means
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.
#4763: Red Light, Real Science: Sleep Hacks That Actually Work
ADHD circadian disruption, red light products, and smart home integration — a practical deep dive.
#4675: Solar Garden Gimmicks: Glowing Frogs & Rotating Beacons
Why solar-powered garden gadgets are the ultimate gimmick — and how to combine them for maximum driveway spectacle.
#3762: Why Your Screen Won't Go Dark Enough at Night
LEDs can't truly dim low. Here's the physics — and the surprising fix that has nothing to do with blue light.
#3674: Why Is Trump's Skin Orange? The Evidence
A deep dive into the chemistry of spray tans, periorbital sparing, and the most likely explanation for the signature hue.
#3509: Why 8 Hours of Sleep Feels Like Zero
Sleep math is lying to you. Here's why interrupted sleep wrecks your brain worse than no sleep.
#3245: Why Integrated LED Fixtures Are Beating Smart Bulbs
Smart bulbs cram radios into metal cages. Integrated fixtures solve that—and Matter makes it seamless.
#3230: Why Your RGB Bulb Is Useless for Sleep Lighting
RGB bulbs go dim in red mode. Here's the physics, the fix, and what to actually buy.
#3141: How Search Teams Use $500 Torches to See 2km
How SAR teams deploy throwers, flood lights, and beacons as coordinated systems — and the physics that makes 2km throw possible.
#3042: How Blackout Curtains Actually Stop Light
Three-layer construction, acrylic vs. laminated barriers, and why most "blackout" curtains let in 2-5% light.
#3039: How Airlines Engineer Mass Sleep at 35,000 Feet
Airlines quietly perfected a group sleep induction system. Here's the lighting, meal, and temperature playbook — and how to steal it for home.
#2750: The Politics of Lighting Protocols
DMX, sACN, Eos vs. grandMA3—how the booth actually controls the lights.
#2626: The Trust Problem in Bedroom Automation
Smart glass vs smart curtains for circadian health — what works in a rental bedroom without owning the walls?
#2623: How Much Bed Space Do You Actually Need to Sleep Well?
140cm bed for two? Research shows a 62% reduction in sleep disturbances just from having adequate space.
#2600: Circadian Lighting Gradients in Home Assistant
How to build a smooth, override-friendly circadian lighting system using Adaptive Lighting in Home Assistant.
#2566: Why Your RGBW Bulbs Get Dim in Color Mode
Cheap bulbs aren't the whole story — physics limits how bright color LEDs can get. Here's what to buy instead.
#1265: The Biology of Light: Designing for Your Internal Clock
Discover why natural light is a biological nutrient and how interior design can fix your productivity, mood, and sleep.
#828: Light Discipline: Pro Lighting for Triple Monitor Desks
How do you light a massive triple-monitor desk in a tiny apartment without waking the baby? We dive into the physics of pro "light discipline."