TL;DR: Effortlessly match over 200,000 brand-name paint colors with the Nix Mini 3 — now $69.97 through February 9. Color disasters happen to the best of us — you think you’ve nailed that shade of ...

The sensor visually detects ethanol concentration, offering a simple, sensitive, and effective way to measure alcohol levels without complex equipment. Determining how strong your drink is doesn’t ...

Not all poisonous gases have a smell or a color. But a tiny grid of pastel- and candy-colored squares that effectively “sniffs” out hazardous chemicals in the air such as chlorosarin — a highly toxic ...