Why Your 10,000-Lumen Work Light Dies After a Few Minutes
by Ray Coleman
A 6,000mAh battery powering a 100W LED lasts about 13 minutes at full draw — not the hours…
Tools & Home Improvement
Why String Lights Get Dimmer Toward the End
by Ray Coleman
The warm glow you plugged in at one end turns cooler and dimmer by the time it reaches…
Canless LED Recessed Lights Dim Themselves in Insulated Ceilings
by Ray Coleman
Canless LED recessed lights cut their own brightness when they get too hot — a built-in thermal protection…
Shelf Brackets Sag Because of Where You Put the Weight, Not How Much
by Ray Coleman
An 8-inch shelf bracket holding 20 pounds dead-center at 4 inches from the wall experiences half the bending…
Touch Lamps Click When You Dim Them. Here’s What’s Actually Switching.
by Ray Coleman
Every touch lamp clicks. Tap the base, the brightness changes, and somewhere inside the housing a small, sharp…
Stair Treads Peel Off Wood Because the Wood Moves, Not the Adhesive
by Ray Coleman
Wood moves. Not visibly, not quickly, but a hardwood stair tread can expand 4 to 8 percent across…
Why Your Filter’s TDS Number Doesn’t Match the Box
by Ray Coleman
Activated carbon and reverse osmosis remove contaminants through fundamentally different physics. Carbon adsorbs — molecules stick to a…
LEDs Don’t Flicker Because They’re Broken. Your Dimmer Is.
by Ray Coleman
Your dimmer switch was engineered for a 60-watt resistive load that no longer exists. A typical LED replacement…
LEDs Don’t Burn Out. They Fade.
by Ray Coleman
Every LED parking lot light you can buy will get dimmer. Not in a decade — in months.…
Lumens Sell Flashlights. Candela Is What Reaches the Fence.
by Ray Coleman
A flashlight rated at 1200 lumens sounds three times as bright as one rated at 400. And it…