This article was updated and checked for accuracy in April 2024. It was originally published in 2021. Believe it or not, metal detection is actually possible on Android phones. In fact, the first ...

From roller coasters and farm equipment to discrete and batch manufacturing, inductive sensors enable precise metal detection and automation across every industry. Learn more about their diverse ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...

159.0038% OFF$98.12 at Walmart $119 at The Home Depot 93.9910% OFF$85.05 at Amazon The Bounty Hunter metal detector earned the top spot on our list for its intuitiveness, lightweight design and its ...

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 ...

Recently I came across some non-contact liquid level sensors and gathered them out of curiosity. They have been available in the market for the past few years, but this time I was lucky enough to get ...

For most of us, the fantasy of finding buried treasure faded away along with other childhood passions, like my youthful ambition to set a Guinness World Record for building the world’s largest pillow ...

A research team led by Professor JIANG Changlong at the Hefei Institutes of Physical Science, Chinese Academy of Sciences, ...