for the new idea (perform velocity-clamp unfolding experiments) and
leverage pre-existing packages for all the old ideas that you need to
get the job done (open a file, Fourier transform an array, \ldots). A
-well structured suite of software breaks the task at hand up into many
+well structured suite of software breaks up the task at hand into many
sub-components, with a distinct package handling each component.
\citet{whitehead11} introduces his claim about civilization and