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This article was originally published on another site, and was already posted on HN: https://news.ycombinator.com/item?id=18995360 https://news.ycombinator.com/
by DerekL 8y ago
This article was originally published on another site, and was already posted on HN: https://news.ycombinator.com/item?id=18995360 https://news.ycombinator.com/item?id=18995360
- sctb 8y agoOK, we've updated the link from https://www.wired.com/story/a-childs-puzzle-helped-uncover-how-magnets-really-work/ https://www.wired.com/story/a-childs-puzzle-helped-uncover-h....