Complex sentence: The concepts for Smart Dust emerged out of a workshop at RAND in 1992 and a series of DARPA ISAT studies in the mid- 1990s due to the potential military applications of the technology.
Split into simpler sentences: The concepts for Smart Dust emerged out of a workshop at RAND in 1992 and a series of DARPA ISAT studies in the mid- 1990s. The smartdust concept was introduced, developed, and funded by DARPA due to the potential military applications of the technology.