[TXnMA]

I have seen a dramatic photo of a 3" cube of tile material that was heated red hot in the center, and it was being held by opposite corners betwen a man's thumb and middle finger -- and the interior was still visibly glowing red hot.

This is the closest thing I could find via a quick search:

[bd476]

That's a cool errh, lol, interesting demonstration. Thanks for posting the photo, TXnMA!

[XBob]

25 - “have seen a dramatic photo of a 3” cube of tile material that was heated red hot in the center, and it was being held by opposite corners betwen a man’s thumb and middle finger — and the interior was still visibly glowing red hot.”

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I have personally done this. It is pretty neat, and you have to grip the foam well, as it is so light.