Comment Re:Seems silly to use this. (Score 1) 275
It's not a big effect, but there are no "small effects" when we're talking about gigawatts of kinetic energy
You just need to align the axis of rotation of the flywheel with the axis of rotation of the Earth. As a bonus you get a way to avoid adding leap seconds to UTC.
Yeah and with enough of them and plenty of energy we could eventually have a year with exactly 12 months, each exactly 30 days long. Just don't ask me how long the day would be.