Jul 02 2025SCIENCE
Bright Minds Craft Cheap, Quick Metal Detectors
Scientists have created something cool: new tools that can spot harmful metals in water. These tools are special because they can tell the difference between zinc, cadmium, and mercury. Plus, they do this in water, which is a big deal. What makes these tools even better is that they are easy and cheap to make. They only need two steps and start with stuff that's alr...
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