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As a kid I was fascinated by the extraction of iron from sand using a magnet. I’d hang out in sandboxes on playgrounds and collect it. I figured out you could w
by code_duck 4y ago
As a kid I was fascinated by the extraction of iron from sand using a magnet. I’d hang out in sandboxes on playgrounds and collect it. I figured out you could wrap the magnet in a plastic bag for easy removal of iron filings. Last I recall I had filled two and a half peanut butter jars.
- deleted 4y ago[deleted]
- lostlogin 4y agoThere are beaches on New Zealand’s west coast that are black iron sand. It’s used to make steel at Glenbrook near Auckland. The sand is hot as all hell in summer and it gets into everything, things with magnets in particular. Watching people cross the sand in summer is amusing. Patients with it on them need a good wash before MRI scans - a known hazard in radiology here.
- leobg 4y agoI recently saw a documentary that showed researchers actually using a magnet to find micro meteorites. I tried it in our yard with my five-year-old, and we found lots of small iron containing particles, some of which looked black and glassy under the microscope.