I'll see what i can come up with, it's still a bit buggy in Maya 2015 but it's something that mental ray has needed for a long time.
It will be practically the only material you need in MR once they iron out a few bugs.
Dave
From a readers' Q and A column in TV GUIDE: "If we get involved in a nuclear war, would the electromagnetic pulses from exploding bombs damage my videotapes?"