edits from bob
adds background section
adds conclusion
actually adds conclusion file.
moved background stuff around
moved to multicol to get rid of problems in the geometry margins. Then, used float package to allow [H] option in figures so that figures would show up in multicolumn environment.
bob comments
bob comment mass factor
bob comments
hyphenated far field and near field when they were adjectives
denia comments.
reduced the number of times I use the word show
reduced my use of the word limit
fixed bib.
fixed abstract
spellcheck
spellcheck
adjusted conclusion.
adds edits from denia, bob, etc.
adds a bunch of eps files.. .maybe not necessary, but better safe than sorry