Invisibility has come up several times this week, starting with a prankster at work who left this article about spontaneous invisibility lying around the copy machine to spark a discussion. We're not talking Optical Camouflage technology like in Harry Potter with his Invisibility Cloak. Rather, the more mystic stuff.
There are those of us who do move in and out of dimension psychically, but this seems to be a physical phenomena that is not controlled by the person who disappears. This is a rare phenomena in which a person is physically still present, although unable to be seen or heard. From the point of view of the invisible person, the world looks normal. They have no idea that they cannot be seen or heard by people around them.
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Strange stuff. If you read to the end, the "science" of this type of disappearance involves electron clouds...
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...such a cloud of free electrons will absorb all light entering it; it will not reflect nor refract light waves, nor are light waves able to pass through a human being. Consequently the observer1s eye sees nothing there and the person surrounded by such a cloud is invisible. Since light is necessary for human sight, when there are no reflected or refracted light waves bouncing off a person and hitting the observer's retina, the person is not able to be seen and is not visible under normal circumstances.
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Obviously we've all "felt" invisible at times. Like when our voice is drowned out in a conversation, or when we find out we aren't part of the "in" crowd and are left out of the reindeer games. Maybe we really are invisible sometimes, and just don't know it.
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