If conservative means “cautious and wary of unexpected results”, “disillusioned with methods that we tried and failed with” or maybe even “equipped with experience of successful and failed cooperation with various sorts of people”, then yes. Already before age 50, I’m spoiled with various good and bad experiences. I cannot exclude that as my tendency to explore decreases (psychology tends to affirm this trend), I may get prejudiced too. I may have to figure out something to counter it.

But if conservative means that I suddenly don’t want a society with equality and without hierarchy, then - nope.

Alternatively or additionally, I think oxygen plasma glows blue or green, because northern lights (near the poles, at least) are greenish.

No conclusive proof. It didn’t have a passthrough for one electrode of the two. It did have remains of acid inside and corrosion on the electrodes. One can speculate whether it was an experimental device, a faulty device or something else entirely (one alchemist trying to replicate another’s secrets and doing it wrong?).

To add insult to the injury, it was lost or stolen during the war in 2003, so more analysis can’t be done until it gets re-discovered. :o

I haven’t heard an alternative hypothesis, though… I try to imagine what else besides electrochemistry would one do with two dissimilar metals in an acid? It ruins the metals, it doesn’t make any known medicine or effective poison, it likely fouls the jug too… for a person to put copper and iron into a jug full of acid, there has to be a reason for doing it…

No problem, just tell them to ask from Baghdad, they should know where it is. :) A jug of wine or vinegar, one electrode of iron, another made of copper, voila… the Baghdad battery.