>> well, they look extremely beautiful. could they be dangerous. the aurora borealis or the northern lights could pose a threat to all of our technology includes gps systems and satellites. >> clayton: nasa sent up a satellite and prepare for it he when the lights at at their pack. the author of the book "physics of the future" currently on a book tour for that book. >> glad to be on the show. >> and they said they are he' beautiful, but could cause a major problem to our electronic infrastructure. how? >> that's right. every 11 years the sun has a temper tantrum and we have this spectacular light show, this dazzling array of radiation from the solar wind which hits the earth and funnels down the north pole.