there be lot of other comment here about how poor this film be . what i want to point out be how this film take the large science project in history and make it look small . the manhattan project be an incredible achievement and it be huge . virtually all silver in the country go into make wire for electromagnetic separator . if there be every a choice between two alternative way of do thing they just do both . the first sustained nuclear reactor be fire up under the stand of the university of chicago football stadium with graduate student wield ax a a scram mechanism . it a fascinating story involve hundred of location and thousand of people that this film seem to reduce to a small group of eccentric in new mexico . the other thing i really dislike be the huge moral debate over if we should continue the project after germany surrender . okay and we have thousand of ( mostly ) men who work for year to make a really big boom . do anyone think they do not want to see it work . there be some controversy at the time about if we should use the device and but it be not that serious and clearly not the huge debate this film make it out to be .