From: utzoo!decvax!cca!CSD.MCGRATH@SU-SCORE@sri-unix Newsgroups: net.space Title: Hard radiation and interstellar flight Article-I.D.: sri-unix.2640 Posted: Thu Aug 12 01:32:38 1982 Received: Sat Aug 14 06:17:57 1982 From: Jim McGrathOf course X-Rays and gamma rays are no problems - they are electromagnetic radiation, do can be deflected. The physical particles are the hard ones- especially the uncharged ones. You probably need two feilds - one to charge them and another to deflect them. Jim -------