Infrared Imaging Is Coming to Contact Lenses Near You

It's always good to remind yourself that we as humans only see a very little bit of light. Our slice of the electromagnetic spectrum, the slice known as visible light—sandwiched between the much larger wavelength domains of UV and infrared light—is only about a millionth of the whole range of possible wavelengths that photons exist in. That's a fun thing to note: we see according to what's useful for us to see, or what makes sense for us to see given the limitations of biology...

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