An undergraduate student has overcome a major hurdle in the development of invisibility cloaks by adding an optical device into their design that not only remains invisible itself, but also has the ability to slow down light.

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technical paper is http://iopscience.iop.org/1367-2630/13/8/083007/pdf/1367-2630_13_8_083007.pdf 

I need to slow down the speed of light in my meta-material capacitor warp drive generator idea.

jack sarfatti