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 ...

Scientists developed a smartphone-compatible ethanol sensor using a metal-organic framework called Cu-MOF-74. The sensor visually detects ethanol concentrations across a wide range, with no ...

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 ...