Invisibility is no longer fiction

This is one (of several) methods scientists are working on invisibility:

Physicists use natural crystals to develop invisibility


Physicists from the University of Birmingham, with colleagues at Imperial College, London and Technical University of Denmark, have demonstrated
an “invisibility cloak” that can hide a three-dimensional object, centimeters in dimension, large enough for the cloaking area to be visible to
the human eye.

This video shows another method of making something appear invisible:

A full news video can be found here:
News Report

This is another example of old legends and fairy tales (such as those on “magic crystals”) and
invisibility caps coming true. Apparently both science and military are eagerly looking
for Invisibility Cloaks.

What do you think are the implications and the potentials and dangers of invisibility technology in the future?

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