"But there were also the inevitable technical problems. For example, I pointed out:"
"'This is great, dear, but one problem is we can't require that the men be naked, since we have to pass the university's human subjects board...'"
"So he was able to miniaturize the recording part of the hardness meter and allow that part to be put outside the man's pants, for example, in a pocket."
"Tom was very eager to fix these problems, and worked on them for the next several weeks in our garage, as we continued to use the prototype nightly..."