9 years ago
Researchers build a cheap camera that sees what we can't
Normally, our eyes can see things better than our cameras, which is why those smartphone shots of a full moon at night are so bad. Hyperspectral imaging is a way to fix that, since it can capture parts of the electromagnetic spectrum, like near-infra-red light, that humans are incapable of seeing. Unfortunately, these cameras are hideously expensive, so you're more likely to find one on a military satellite than in Best Buy.
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