how to aviod thermal tech/survive radiation

[MDL5]

the people with the power to have drones fly over us and who have nuclear weapons ready for use, i belive are not so good, so just incase those people used their power for bad purposes i want to know how to go undetected by thermal/infared camera technology(ive heard glass, polished aluminum etc) i want to kno the best way and also how to avoid radiation the best. and also how far from the intial nuclear explosion is life possible to survive?



anything on nuclear explosions and avoiding gamma rays is welcome here also other important survivor tactics