Muons penetrate much further than X-rays, they do essentially zero damage, and they are provided for free by the cosmos.
Image credit: Science Source/Digital Globe.
See allHide authors and affiliations
Edited* by Kevin P. Campbell, University of Iowa Carver College of Medicine, Iowa City, IA, and approved October 31, 2012 (received for review September 11, 2012)
Files in this Data Supplement: