[AndrewC]

Sez you. I could find you a dozen elegant perpetual motion machines of the second kind. It seems to me they ought to get equal billing.

What do you mean? Many, many, many of those PMMs get into the news. You just don't see many vehicles driving around with them providing the motive force.

[Right Wing Professor]

You just don't see many vehicles driving around with them providing the motive force.

That's because the Dictatorship of Evil Engineers makes sure they're excluded from auto plants.

[Jaguar1942]

They are always a disapointment, because once the gyro gets spinning, it's supposed to go forever, but they never tell you that you have to give it peanuts for the squirrel in the trunk....