Only neutron radiation can do that so quickly.
This was the only access through the space, since the nuclear reactor was so radioactive and gave off such powerful neutron radiation.
It is usually produced by exposing U to neutron radiation in a nuclear reactor.
Convenient since it allows gamma, alpha, and neutron radiation to be measured with the same units.
Even if the learning machine was completely destroyed, they still should be able to pick up residual neutron radiation from the power pack.
The 24-year old Daghlian was irradiated with a large dose of neutron radiation.
However, he had already been exposed to a lethal dose of neutron radiation.
The neutron radiation would have been minimal and the likelihood of contamination remote.
Furthermore, lead is not a particularly effective absorber of neutron radiation.
The neutron radiation serves to transmute the surrounding matter, often rendering it radioactive.