question: What additional ideas did von Neumann contribute to Atomic bomb ?
answer: more powerful shaped charges and less fissionable material to greatly increase the speed of `` assembly ''
turker_answer: Von Neumann contributed to the atomic bomb more powerful shaped charges and less fissionable material to greatly increase the speed of `` assembly '' .
rule-based: Von Neumann contributed more powerful shaped charges and less fissionable material to greatly increase the speed of `` assembly to Atomic bomb .