Shielding Definition and 153 Threads

1. how does NASA protect its robots in space(eg satellites, space stations etc) from solar radiation ? ( their processors, chips etc ) I've checked lot of sites for it but none of them mentioned about their shielding. does this mean that radiation have negligible effects on robots?? 2...

Is there a substance that can be placed between two magnets that will stop one from affecting the other? If a sheet of paper is placed between the magnets it has no affect. This is obvious but what i want is a substance that can be placed between two magnets that are placed very close together...

Now this relates to the berylium + Lithium thread i made earlier.. (although not entierly) Is electron 'shielding' due to replusion between electron orbitals? http://facultyfp.salisbury.edu/dfrieck/htdocs/212/rev/zeff/shielding.htm I've had a look at this site, but in somewhat...