Japan did not surrender after the first bomb hit them.
It took a second bomb for them to surrender.
We already have the answer to Stewart’s bluff idea. He is a freaking idiot as well as anyone else who thinks that is what we should have done.
He also ignores the fact we only had two ready to go at that time.
“It took a second bomb for them to surrender.”
Barely... the emperor had to step-in to break the deadlock after Nagisaki. That was unprecedented. Even then there was a coup attempt by some Army officers that nearly succeeded.
As far as I understand the population centers near Hiroshima saw a white flash, but had no clue as to what it was. It took days for information to start pouring in. Even then, they were mainly living in total denial.