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Can Repelling Magnets Replace the Spring in a Pogo Stick?: https://news.ycombinator.com/item?id=18694006 https://news.ycombinator.com/item?id=18694006
by mhb 7y ago
Can Repelling Magnets Replace the Spring in a Pogo Stick?:
https://news.ycombinator.com/item?id=18694006 https://news.ycombinator.com/item?id=18694006