This time the answers are not all in the hi-tech world of physics and electronics, but in psychology, sociology, knowledge-assembling. to the extent physics and computers can be harnessed to serve those areas, hi-tech can do a job. but the human factor , the human thinking , dedication, perseverance; awareness , belief in the cause, will be much more important then just the sheer hi-tech.
Fighting terror on board of an airplane will be many a time , much too late.
As to Dawkins' article, people were always willing to sacrifice their lives, more often then one may think. They are doing it in war, elite commando units, while they are combating crime, or rescuing other people, or in some extreme sports (mount climbing, car racing ), or even in medicine and some scientific endeavors, or in pursuing political causes. It is a subject for group dynamics, education , and strong motivation and inner belief system. Indeed in all these cases it seems to be a calculated risk and not a certain risk. but the gap between calculated risk and sure risk. is probably in the minds of some people more quantitative and less qualitative, then we tend to think.