Re: Meet the nano-nauts: Smart dust swarms for planetary exploration (Forwarded)

On a sunny day (Wed, 25 Apr 2007 00:54:32 GMT) it happened Andrew Yee
<ayee@xxxxxxxxxxxxxxxxxxxxxx> wrote in
<Pine.LNX.4.30.0704242054060.7536-100000@xxxxxxxxxxxxxxxxxxxxxx>:

Engineers at the University of Glasgow are designing a new breed of
planetary explorers: tiny, shape-shifting devices that can be carried on
the wind like dust particles but are also smart enough to communicate, fly
in formation and take scientific measurements.

All very well, but no clue I can find on those sites what POWERS it?
.