This futuristic camera lens is super tiny, totally flat, and relatively cheap

Harvard researchers have developed a novel, flat lens they say can focus "all the colors of the rainbow." This is a significant departure from the camera lenses made today, which are curved, bulkier, and take up more space.

But there's a catch: The researchers successfully focused light with this lens, which they call a "metalens," but on an extremely small, nanoparticle scale (nanoparticles can be thousands of times thinner than a human hair). While an impressive feat, major tech companies like Apple and Samsung aren't anywhere close to putting this technology into forthcoming phones and cameras. Read more...

More about Tech, Cameras, Innovations, Camera Lenses, and Nanotechnology

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