Since the question contained a major false assumption both based on and by scientific studies I have read let me simply address that. Equating dropping out of High School early with ignorance is a dangerous assumption. Many of our finest minds never even attended High School much less College...
I have found that the best thing to do with students at this level is to show them demonstrations of refraction, picque their interest and discuss the simplest “theories” for why this occurs. The interested ones will then go from there on their own, the others well...they will do what they...
If this were politics, we would call it the “argument of a false premise” and it is done all of the time to advance a position. E.g., “Since America Has the best education system in the world.” When in fact, we rate at #126 for Literacy with only 86% - there are 26 countries with a 100% rate...
This is actually very simple - as a former SkunkWorks guy, like mentioned above there are rigs...but such a device is actually quite simple to build - - -it ain’t rocket science. Just trapped heat.
If you take Combustion out of the equation, and have a closed box the O2 will be used up very...
The answer to the question of a seal, whether it be for a waveguide or a cylinder is whether it should be with or without friction? This applies to piston rings as well as waveguides.
Back in ‘84 I wrote an article for a U.S. Army Signal Corps Magazine entitled, “Friction is Your Friend”...