Assertion: neutron bomb | /r/HasProperty | developed
Facets:
Source sentences:
text: The rumour plays on the popular myth that the neutron bombs that have been developed are radiation-only devices.
text: It actually was a development that came from the late 1950s work by the US to make "clean hydrogen bombs" that produced very little fallout.
text: In the early 1960s, news that a neutron bomb was being developed was publicly released, possibly in order to sabotage the Geneva nuclear test-ban treaty then being negotiated.
text: At least 2 years after the neutron bomb had been developed and tested, declassified May 1963,