Turning Invisible Will Soon Be Possible
Have you ever wanted to have the ability to turn invisible whenever you wanted? In science fiction this is possible but it might become a reality someday soon. While this technology seems far-fetched it is seemingly not impossible to do according to various scientists. Scientist teams from around the globe are having promising results. This research could very well make things invisible in the near future. While it is currently unclear whether large objects such as cars will be able to become invisible, all scientists working on this phenomenon agree that dust particles and other small objects will be able to be turned invisible.
A mathematician at the University of Utah, Graeme Milton, says that theoretically the only thing that is needed to turn something invisible is something called a superlens. John Pendry, a Physicist, first proposed a superlens in 2000 at Imperial College London.
Light that hits a superlens reverses and goes in the opposite direction. This causes light that bounces off of the object to cancel out with the light bouncing off the superlens. This is caused because a superlens has a negative refractive index. At a certain distance this causes the object to appear invisible. It is similar to noise cancellation in earphones.
Milton says that this only works in numbers currently. There is however a theoretical that shows that particle collections become invisible. He also says Read the rest of this entry »
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