This is a bit of an experiment.
Normally a discussion meeting starts with someone presenting an argument, which everyone disagrees with. Violently. Or giving an overview of a topic, which everyone picks holes in. Enthusiastically. My problem is that I don't know enough to present an argument, but I really do want to know more. Mike, on the other hand, is a historian and so takes a professional (OK, proto-professional) interest in this sort of thing, so I'm hoping he can enlighten me. Then you can all disagree with him. Violently and with enthusiasm, by preference.
(I should warn you, at this point, that Mike is a bit of a fascist. So if he starts to try to convince you that history is the story of the struggle of the virtuous and super-competent individual (or even ubermensch) against the evil soul-destroying collective, then I'd suggest that you nod "Yes, Mike" and ignore him.)
Anyway, let me explain my problem. Some time ago, I led a discussion meeting on the topic of Time Travel. I explained how time worked, how you could build a time machine, and how to avoid sleeping with your grandparent. As a physicist, I could do this in the knowledge that I was right, and all the contrary arguments anyone tried were obviously wrong.
But now I want to use my time machine and travel into the past. For reasons too sophisticated for non-physicists to understand (ho hum), The Laws of Time (that's capitalised!) stipulate that I can't bring anything with me (remember the beginning of Terminator?). Also, I'm about to be apprehended by the Time Police so I have to leave tomorrow. There's no time to bone up on techniques for the manufacture of gunpowder or useful facts like the sudden boom in tulip stocks in... whenever it was. Unfortunately I'm far too theoretical a physicist to have much special practical knowledge. I could probably knock you up the plans for a mean particle accelerator, but that wouldn't be much use if the only electricity available is what you get when you rub a piece of amber (unless you can remember exactly when the lightning bolt struck the clock tower).
So, will I prosper in the past? Are there any top tips that I should take with me (apart from checking the surnames of any potential sexual partners)? Should I send one of you guys in my place? Mike would certainly do better on the historical knowledge, but maybe a scientist or engineer would have more valuable skills. If I get a choice in the matter, what would be the best period to choose? (But maybe my time machine is knocked to a random setting when I have that last-minute struggle with the Time Cops before pressing the GO button in a desperate escape bid.)
In order to make the discussion a bit more concrete, I thought it might be a good idea to consider a couple of periods of history, as used in the two books I've brought along. (This is a good excuse to slip in a couple of my favourite SF novels.)
A normal historical field trip from 2054 to the Middle Ages goes horribly wrong. Kivrin is an Oxford student who goes back to 1320 to study Oxfordshire life and language.
Read page 385, `"No", Kivrin whispered, looking at the priest' ... `under the skin.'
While the future Oxford seemed rather unconvincing, this book is very convincing in its evocation of the Middle Ages. Unlike those around her, Kivrin knows what's going on. She can't stop the plague, but is able to bring some comfort to the desperate people around her.
This is the story of Brendan Doyle, a literary scholar, who is part of a party who travels back to Victorian London to hear a lecture by Coleridge. Doyle gets stranded. Despite his intimate knowledge of the period, he ends up as a beggar, on the run from both his colleagues and some local sorcerers who want to know what he knows about the future.
This is a great fantasy novel, that mixes in elements of horror, mystery, historical romance, and time-travel paradox. In a wonderfully convoluted plot, Doyle meets Old Kingdom Egyptian sorcerers, romantic poets, a werewolf, secret societies, grotesques inhabiting the London sewers, and of course himself.
Read page 170, final paragraph to penultimate paragraph on next page.
Read page 225, final paragraph for two paragraphs.
Both of these are hindered by my lack of knowledge of specifics. (I doubt I'm alone in this.) If I knew the names of William's courtiers, maybe I could ingratiate myself with his party before Hastings. If I knew the precise date of the crash and which stocks plummeted when, I could sell short.