I seem to remember this being in the book "The Sphere", though I might be wrong. I actually always thought that it was something rarely-used-but-possible. The

I seem to remember this being in the book "The Sphere", though I might be wrong. I actually always thought that it was something rarely-used-but-possible. The overlap between close-to-current sci-fi and real life in my brain is occasionally saddening/shameful.