Living bacteria generate electrical signals in a new hydrogel sensor that can detect substances in liquids like milk.

It’s National Sleep Awareness Month, and we can’t think of anything more helpful for sleep awareness than the best sleep tracker. Be it in watch, ring, or other form, these devices monitor your sleep ...

Want crisp images? Cleaning your camera's sensor reduces smudges and particles from appearing on your images — here's how to do it.

Abstract: A method to increase sensitivity of a resonant sensor for permittivity measurement is presented. The sensor is based on a quasi-lumped-element LC-tank whose resonant frequency is changed ...