Denying any responsibility for this is: Treehugger
The author writes:
P.S. A demolitions expert wrote to me and complained that I had depicted an explosion of what was labelled as dynamite, but clearly worked like TNT.
They continued complaining that it was lettered in 15pt daffodil yellow Comic Sans, while TNT clearly explodes in 16pt traffic purple italic Garamond.
We apologise for the inaccuracies.