Yes, those tempus fugit coils are a pain to balance. If the clockwise and counterclockwise coils are not in perfect balance then the time machine tends to drift off into the future or past, which makes it really hard to keep parked.
There's a term for that imbalance, btw. It's "the tempus fidgets."
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.