Somehow I doubt that Calen found 20,000 ways how NOT to make a light bulb, and to be honest, not many people embraced the whole E=MC^2 thing at first. There were political cartoons of a mushroom cloud from Hiroshima and Nagasaki with the equation inside the cloud, but yeah, I think we get the point. A. Ma. Zing. Hopefully I'll pick it up for Christmas...
Just as a thought, how much damage is done to the shirt? Like, completely rendering it useless for normal wear? Or is it something small, like sewing part of the shirt back together? And is the gimmick knacky and hard to make, or is it plain and simple?