Scientist
has discovered the devices which are able to bend the light around three
dimensional objects making them to “disappear”.
“Invisiblity” has not remained a
thing of science fiction movie or story. Imagine when one will be able to
disappear in the air and no one is able to see him like the Harry Potter
invisibility Cloak.
The materials used for the
invisibility devices are artificially designed and research are being carried
out since than the idea strike the mind of thinkers of invisibility. The
breakthrough could lead to systems for rendering anything from people to large
objects, invisible to the eye – although this is still years off. The day is
not for away when we have invisibility cloak large enough to hide us.
The things which our eyes are not
able to see are considered as “ Invisible”. Light is neither absorbed nor
reflected by the objects, passing like water flowing around a rock. As a
result, only the light from behind the objects can be seen. The devices which
are going to make us hide are invisibility devices. Researchers at the
University of California at Berkeley, whose work is funded by the American
military, have engineered materials that can control
Nature, are expected to report the
results in near future. . The concept of invisibility would involve surrounding
the object by a "metamaterial" . Meta-material is a type of composite
material that has unusual electromagnetic properties. According to the
researchers, light rays incident on the material would be bent around the
object, only to emerge on the other side in exactly the same direction as they
began. Although the work is only theoretical, the researchers reckon that
materials invisible to radio waves could be produced within five years.
* Lets wait for a new invisible world in future
No comments:
Post a Comment