Eskimo and Aleut have relatively simple systems of distinctive sounds.
Others have simple systems that allow people to request an _________.
Others have simple systems that allow people to request an escort.
These quantities may be calculated for simple systems by using statistical-mechanical principles.
We've been running this experiment for four years and even in the simple systems, unpicking the pathways is difficult.
The challenge these simple systems face, however, is that most Americans don't like the idea of homemade toilets.
The reductionist method works triumphantly for simple systems -- predicting eclipses or the motion of planets (but not the histories of their complex surfaces), for example.
At that time, physicists, most notably Mitchell Feigenbaum, began trying to understand how chaos can arise out of very simple systems.
But simple systems like the one Mr. Snowden referred to are not that daunting to install yourself, and manufacturers say most of their customers do just that.
As these simple systems evolve, Dr. Whitesides said, it should be possible to explore the dynamics of interacting particles and perhaps model biological principles.
Mr Wolfram shows with countless examples how apparently simple systems can give rise to extraordinarily complex behaviour.Having settled that beyond question, he then makes a vast speculative leap.
