Ultimately,Michael Kors Handbags, notes Spitzer,Michael Kors, this sensor's real competition will be the drug and bomb-sniffing dogs employed by law enforcement the world over. Presently, no electronic system is more sensitive than a well-trained sniffer dog, but Spitzer thinks that he can create something that will be as sensitive as these animals, while overcoming their one shortfall: after an hour, a dog's nose becomes saturated with the target substance, making them less useful.