not harmful. they have gone into those eight homes to make sure there is no gas present. they have been given the all- clear. they can go back into their homes tonight. back to you. thank you. now for those of you who were offend by the images on airport scanners, you may have a better alternative now. he went to see new technology. reporter: some airport travelers complain about electronic imaging when they pass through security saying it shows more than should be allowed. they felt naked in front of tsa employees. now they are responding to those complaints. the tsa installed new software programs that don t show the true to life image but a human figure. the image is readily seen. this system is easier for the passengers to understand. they see this stick figure. it is okay or it isn t. if it isn t they quickly can help. maybe your car keys. they have ten in place with more to come. the old system had a screener in the separate room. this new system is $2.7 mil