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by auxon0
4479 days ago
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http://arxiv.org/abs/1403.1211 "Although it costs less than a dollar in parts (see Bill of Materials in table 1), it can provide over 2,000X magnification with submicron resolution, weighs less than two nickels (8.8 g), is small enough to fit in a pocket (70 × 20 × 2 mm3), requires no external power, and can survive being dropped from a 3-story building or stepped on by a person (see figure 1G and supplementary video 2)." |
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