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thank you. is that it?

Pretty much.
Keep up the studies, good luck in the exams :)

Why don't you want to debate anymore? Will you at least grant the possibility of my explanation being valid? If not, why not?

Debating with a fool only proves there are two.
Your model is far too simplistic, it doesnt demonstrate what you say at all.
Yes, one should keep things as simple as possible but not over simplified, cinder blocks dropped together is an over simplification that is more 'Anecdotal' vs. 'Factual' akin to the fried-egg brain-on-drugs advert - zero content, 100% emotive content only.
I dig your passion about the subject but hey man ..dont pop a valve.

Oh, I'm a fool now? How do you figure?

How is my experiment over simplified? It demonstrates exactly what you say cannot happen according to physics, which goes to show that you don't know as much about physics as you think you do.

By the way, what are your credentials, exactly?

Retired, electronics engineer with stuff on Mars.
Keep up the studies.

that's not very impressive. how about my other questions?