Good pick, and great work by the scientists involved.
But my point was, there are no numbers.
Yes, there was... 10 billion. That's a number...
However, you are right. They did not define their units. Is this "atomic bomb" unit the equivalent of one Hiroshima (15 kilotons)? Or could it be the equivalent of one Tsar Bomba (55-66 Megatons)? Or something in between?