Paint peeling off the walls is unsightly. Worse still, without the paint protecting the surface, the underlying wall material can be damaged too. Flakes, bubbles, spidery cracks, ...

Push Stick from an Old Paintbrush After my paintbrushes wear out, I strip off the metal ferrule with needle-nose pliers and ...

The Garden of Constants at Ohio State University is where algebra meets horticulture in a delightful dance of digits. This ...