Some of the articles
may contains words that those outside of the engineering
world might not be too familiar with. Here are the
words that are used throughout this issue.
91 .
Holes
A hole in semiconductor physics refers to the "abscense of an electron." It is an imaginary particle with charge equal but opposite that of an electron. Holes are used to simplify the analysis of the movement of a large number of electrons. .
An engine type where fuel is introduced to the chamber via a simple port. The fuel then diffuses with oxygen to create a homogenous mixture, ready for combustion.