Meet Ember, The Littlest Warbot

From Popsci.com:

iRobot's lovable fighting machine can be toted in your pocket.

iRobot's multipurpose PackBot has helped lead the way among war-bots, disabling improvised explosives and carrying out recon missions for snipers. But soon paperback-sized robots such as the Ember prototype could join their larger cousins on the battlefield.

Ember's strength rests with numbers and disposability -- one soldier could theoretically carry around several of the bots and place them to create a networked mobile swarm. Each robot might carry several radios and sensors that make up a small part of the larger wireless network envisioned in the Army's now-gutted Future Combat Systems.

Read more ....