Rendering: Faster, Processor! - Blender Foundations: The Essential Guide to Learning Blender 2.6 - page 358

All values in nodes, like the blending factor, are animatable just like any other property value. Blender also
has a built-in network renderer that uses any computers in your network as rendering slaves with the
proper setup.
Next Up …
In Chapter 13, we take a look at some of Blender's physics simulators to add windblown curtains and
flowers to our scene, as well as magic particle system sparkles and smoke.