Self Destructive Electronics

IBM win a contract to research the topic.     I recall this idea being discussed before the need became more critical.  " ... The military wants to use self-destructing technology for devices such as environmental or health monitoring sensors. ... "A self-destruct capability is very important when it comes to data and devices that might compromise the security of the U.S.," said Dan Olds, an analyst with The Gabriel Consulting Group. "If they get their hands on the right device, an enemy might be able to not only harvest the data, but also bypass security walls in order to penetrate supposedly secure networks and get even more data." .... "