What Would It Take To Be Convinced?

[KevinM1]

An interesting question to ponder is what would qualify as substantial enough evidence to convince atheists like us of the existence of something greater? If the very simplistic scenario of a big man with a white beard appearing before us was contemplated, most of us would probably still believe it to be more rational to attribute this to some sort of hallucination; thus, this leads to the question: what would be enough to convince us non-believers? I think it's a difficult but interesting thought.

I honestly have no idea.  Whatever it would possibly be, it would have to withstand examination.  It would have to be, somehow, measurable.