Sterling Engines are usually piston driven, no? I’ll admit, I’m not up to snuff on alternative designs of the Sterling engine.

Magnetically aligned or not, you still have to seal the piston to the chamber to stop blow-by. Friction and lubrication would still come into play, wouldn’t it?

[citation needed]

If you’d like a bit of a read, the character portrayed there is named Rosie the Riveter.

Wikipedia - Rosie the Riveter

It’s definitely a wartime relic, but the history behind it is very interesting!

You say that like it’s a bad thing? I prefer not to dust off my slide rule everytime I want to know how cold it is out.

That’s why I used to do, but I was given a reusable K-Cup filter thing that just holds ground beans and is washable/reusable. All of the benefits of quick coffee and none of the waste!

Could you cut it as a poor man stealing?