用perpetual motion machine造句子，“perpetual motion machine”造句

Charles Redheffer raised large sums of money in Philadelphia with a perpetual motion machine and then took it to New York in 1813, where hundreds paid a dollar each to see it.

It's a $500 billion perpetual motion machine.

That would that would give rise to a perpetual motion machine, breaking of the second law. It can't happen.

After 1870, inventors were no longer obligated to include models with applications. Today, models are required only for perpetual motion machines.

As long as they do the micro to the macro-energy sustainable energy conversion, you can create a perpetual motion machine.

Making energy like the sun does might too cheap to meter or as uneconomical as a perpetual motion machine.

He is adamant that this is not a perpetual motion machine, and does not violate the law of conservation of momentum because different reference frames apply to the drive and the waves within it.

A perpetual motion machine would have to be frictionless.