Because it's a solvable problem.

There seem to be a couple of problems inherent in the tech field of prosthetic design. First and foremost of them is that comparatively few people need artificial limbs, so not enough of them are manufactured at once to bring the cost down. A second problem is that because so few people tend to need them, designs don't seem to improve very rapidly. When enough of anything are not constructed, there isn't enough pressure for bugs to be ironed out rapidly, nor for designs to evolve in positive directions so relatively simple advances may not appear soon. Business and industry …

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AR contact lenses and 3D printed handcuff keys.

It’s long been a trope of science fiction where one of the characters has the capacity for superhuman access to data in realtime, usually through prosthetic eyes that incorporate heads-up displays that make geospatial coordinates and targeting information available without the distraction of having to look down at a monitor of some kind. In point of fact, this isn’t anything particularly new. Fighter jets like the FA-18 have long had transparent monitors positioned directly in the pilot’s field of vision that incorporate much of the information of the instruments on the panel. Players of first-person shooters like …

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