Home and Kitchen
Cloudy Glasses Are a Water Problem, Not a Dishwasher Problem
Cloudy glassware has two completely different causes with opposite fixes. Telling them apart takes a minute and decides whether the problem is solvable.
common mistakes
31 articles
Outdoors and Fitness
Try Hiking Boots at Five in the Afternoon, Not Ten in the Morning
Almost every hiking boot complaint traces to a fit decision made on a foot that was not the size it would be on the hill.
Handmade and Gifts
A Candle That Tunnels Was Not Badly Made. It Was Badly Burned.
A candle that burns a narrow hole down the middle is usually a first-burn problem. The wick burns down into whatever pool that first burn left, and every later burn starts lower in the same well.
Hobbies and Making
Many 3D Printing Failures Start at the First Layer
A 3D printer that fails constantly is usually not broken and rarely slow. It is producing a bad first layer, and everything downstream inherits that.
Tools and DIY
Stud Finders Do Not Find Studs. They Find Density Changes.
An electronic stud finder measures capacitance through the wall surface. Anything denser than empty cavity reads as a stud — including the cable you are about to drill into.
Beauty and Personal Care
You Are Getting About a Third of the SPF on the Bottle
SPF 50 is tested at 2 mg per square centimeter. Studies of real use repeatedly find people apply a quarter to a half of that — and protection falls at least as fast as the amount does.
Home and Kitchen
Cast Iron Is Not Hard to Season. It Is Hard to Heat Evenly.
Every cast iron guide is about seasoning. Almost nobody who gives up on a cast iron pan gave up because of seasoning — they gave up because of weight, or because the base never sat flat.