Write an essay on what is nuclear energy and how is it most often utilized?  What are the benefits of common nuclear energy sources? What are the risks and how do modern nuclear engineers mitigate these risks? What are the primary byproducts of nuclear energy, how much of it is there, and how is? After reading about nuclear energy, do a cost/benefits analysis. Are the risks worth the gains of using nuclear energy? What role should nuclear energy take in future human society? After reading about nuclear energy, have you changed your opinion on the topic? Please use credible references.