[blam]

"What makes this a sun disc? [As opposed to a non-sun disc.]"

I have no idea, I looked for a 'cool' answer for you but could not find anything. Let me know if you find out anything.

[curmudgeonII]

I have no idea, I looked for a 'cool' answer for you but could not find anything.

By now you ought to know me well enough that, if I had a 'cool' answer, I would have posted it.