In a new call for research, Darpa is asking for proposals to devise prototype implantable biosensors.

FORBES: Will Body Monitoring Implants Be The Future of Healthcare?

Hewlett-Packard, for example, is using the approach in a research prototype called Misto.

WSJ: The Shape of Computers to Come?

In February, AeroVironment completed the prototype of a surveillance drone disguised as a hummingbird drone for the Defense Advanced Research Projects Agency.

FORBES: Strong Grid: Are Radical Robotics the Secret Ingredient?