Those things ARE fiction. Who is 'they'? The super geniuses that work in underground labs developing technology that is occasionally leaked out through Spiderman and Men In Black films?
Instead of being cynical conduct your own research, utilize simple google searches, or
to make it even easier for you, read what I just said...read the proposal to Obama and Congress. It addresses the fact these technologies do
exist, not only in private companies, but in Government facilities as well. It does exist...you just need to be willing to evolve from your comfort zone to exploit it. And be able to read.