Here is his TED talk:
<a href="https:&#x2F;&#x2F;www.ted.com&#x2F;talks&#x2F;manu_prakash_a_50_cent_microscope_that_folds_like_origami" rel="nofollow">https:&#x2F;&#x2F;www.ted.com&#x2F;talks&#x2F;manu_prakash_a_50_cent_microscope_...</a>