Acetone may be best known as a sharp-smelling solvent found in nail polish remover, but inside your body it can tell an important story about health. In fact, the amount of acetone in your breath can ...

A new breath-based sensor from researchers at Penn State could soon offer an easy, pain-free, quick way to diagnose diabetes. The sensor was created through a technique that basically toasts a polymer ...

Penn State researchers have created a low-cost, portable sensor that can diagnose diabetes and prediabetes in just minutes using a person’s breath. In the United States, more than 37 million adults ...

The sensor is like a highly accurate microphone for your breath. It can pick up on the tiniest changes in airflow, providing valuable physiological information on an individual, for example related to ...

Sometimes, a project comes along that makes a good reference design for anyone doing similar work. In this particular case, it’s a DIY USB polygraph-like machine by [Juangg] using an Arduino and ...