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Here is the Ted Talk on the Microscope. Its quite incredible. http://www.ted.com/talks/manu_prakash_a_50_cent_microscope_that_folds_like_origami http://www.te

• gcb0 12y ago
  So it is a lens, CR232 batteries, and a LED... and you are invited to use and throw it away with the battery? not very clever.
  • dhaivatpandya 12y ago
    I think this comment exemplifies the "HN negativity syndrome". Completely disregarding the years of effort poured into developing a paper lens, etc., you simply dump the innovation into the "not very clever" pile?
    • gcb0 12y ago
      paper lens?! are you trying to signify the other side of HN that upvotes kickstarter links without even reading? :D
      • dhaivatpandya 12y ago
        See research paper: http://arxiv.org/abs/1403.1211 http://arxiv.org/abs/1403.1211 When I said "paper lens", I meant the idea of embedding the lens into the paper.
  • userbinator 12y ago
    Did you mean s/clever/environmentally friendly/ ?
  • tedsanders 12y ago
    The battery is optional (slides can be backlit by holding the foldscope up to a room light or even the sun). Throwing it away is optional (these foldscopes are quite durable). I think your criticism can be applied to any consumer good, since all consumer goods eventually end up being thrown away.