OK, not quite, but we are getting there. Scientists have actually been able to 'cloak' visible light.
College Park (MD) - Researchers at the University of Maryland have developed a cloaking device which can now hide objects in a much wider portion of the visible spectrum of light. An observer could even see what's behind the object, just as if the obstruction wasn't there. While not quite up to Romulan standards, the application does work in two dimensions and on very small objects.
This is some cool s#!t...
I'm sure the military is looking upon this development
very keenly
