WANT A CHEAP 2,000X MICROSCOPE? JUST FOLD THIS $0.50 PIECE OF PAPER

Previous submission, much discussion, and less shouting:

https://news.ycombinator.com/item?id=7377213

Other submissions:

https://news.ycombinator.com/item?id=7367503 (one comment with reference)

https://news.ycombinator.com/item?id=7363305

https://news.ycombinator.com/item?id=7385509

https://news.ycombinator.com/item?id=7407449

https://news.ycombinator.com/item?id=7495183

Please don't submit titles in allcaps.