imageColin Berry writes in a comment:

PS: here’s a link to that graphic. Look inside the yellow rectangle. Spot the non-imaged zone in the angle where the two hands overlap.

[ CLICK HERE for large image ] . . .

Reminder: it’s NOT a photograph. It’s better described as a contact print, or what I’ve previously called an ‘impactograph’.

RIP radiation twaddle.

Surely, not everyone enthusiastically agrees.  So CLICK HERE to join the discussion rather than commenting on this pointer-only posting.

BTW: I doubt that radiation played a role in image formation but I don’t think this is as damning as Colin does. In fact, it might be supportive of radiation.