The physicists working in Los Alamos did not all agree on the new goal, but an endeavor with the Manhattan Project’s scope tends to synthesize motivations and coordinate behavior. This is another striking feature of bubbles: When they expand, differences among participants are felt less acutely. Under the urgency of war, Soviet-sympathizing scientists could keep company with emerging Cold War warriors. Some project participants, including Oppenheimer, had dabbled in left-wing causes; one, Klaus Fuchs, would even pass atomic secrets to the Soviets.
