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zw123456
on July 27, 2015
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Ask HN: What's the hardest problem you've ever sol...
About 10 years ago I built a Scanning Tunneling Microscope. It took me 2 years to complete it and to get it working.
ollyfg
on July 27, 2015
[–]
Wow, that sounds really cool! What parts did you use (how much was "from scratch")? Any blog post or article about this? I'd love to read more.
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