Sometimes we need a non-contact liquid level sensor. There are several ways to build that, but the easiest is to try an optical liquid level sensor. You may already have an idea in mind since you are ...

Lead contamination in municipal water sources is a consistent threat to public health. Ingesting even tiny amounts of lead can harm the human brain and nervous system -- especially in young children.

Researchers developed a carbon nanofiber-based sensor that detects two drugs at once in water, offering a sensitive, low-cost, eco-friendly monitoring solution. (Nanowerk News) Pharmaceutical waste in ...

Lead contamination in municipal water sources is a consistent threat to public health. Ingesting even tiny amounts of lead can harm the human brain and nervous system — especially in young children.