Bursting Air?" Does she use the word "bombs" literally or figuratively? What are some specific examples of "bombs" that she talks about in the essay?...

What does Johnson refer to in her title "Bombs Bursting Air?" Does she use the word "bombs" literally or figuratively? What are some specific examples of "bombs" that she talks about in the essay? Are all of the examples she discussed negative? If not, why? What seems to be her underlying point about life and the way people should react toward life's tragedies?