[masraum]

Hell, even then, I would think you'd notice the difference between a dark hole or a lit up box. But there are some folks that are not observant and can be completely engrossed with whatever is in their head or they are focused on.

I'm not going to say that it would be impossible for me to do that, but it's pretty darn unlikely. I'd probably have to be hammered, and I haven't been hammered like that in decades.