Such chain reactions generate intense bursts of deadly radiation, and over the last half - century have claimed nearly two dozen lives. (sciencemag.org)
This type of therapy is designed to kill malignant cancer cells in a defined physical area by exposing them to high levels of deadly radiation. (petwave.com)
It would spew deadly radiation over an area 7 miles in width, and would produce third - degree burns in an area over 12 miles in width. (businessinsider.com)