My blog has such low engagement that it’s hard to tell, but I get the sense the last three posts about configuration space were only slightly more interesting than my baseball posts (which, apparently, are one of the least interesting things I do here (tough; I love baseball; gotta talk about it sometimes)).
So I’m thinking: fair enough; rather than go on about it at length, wrap it up. It’ll be enough to use as a reference when I mention configuration space in the future. (There have been blog posts where I couldn’t use the metaphor due to not having a decent reference for it. Now the idea is out there for use.)
And, at the least, I should record where the whole idea started.
It’s Science Fiction Saturday, so today I want to consider a fairly common question a fan might encounter: “Science Fiction or Fantasy?” The implication is that one tends to exclude the other. In these polarized times, it can amount to a declaration of your tribe.
One problem is there’s a spectrum from hard SF to pure fantasy with everything in between. But let’s take them as two legitimate poles and consider the question in terms of configuration space. (See posts #1 and #2 if you need to catch up.)
I think you’ll see that using a space give us a new take on the question.
Last time we considered a cube-shaped room where we could indicate our opinion about Neapolitan ice cream with a single marker. That worked well because we were dealing with three flavors and the room has three dimensions: east-west, north-south, up-down.
Later I’ll explore other examples of a 3D “room” but while we’re talking ice cream, I want to give you an idea where this goes, I want to jump ahead for a moment and consider good old Baskin-Robbins, who famously featured “31 flavors!”
So now the question is, can we set a marker for all 31 flavors?
Have you ever had (or at least seen) Neapolitan ice cream? It’s the kind with chocolate, vanilla, and strawberry, usually as separate layers in one package. As a kid, I didn’t care for the strawberry. I loved the chocolate, and was fine with the vanilla (wouldn’t usually choose it, but don’t disdain it).
That’s just my take on it: one flavor liked, one not liked, and one that’s just okay. Someone else might have the same pattern with different flavors. Or love them all equally, or want just the strawberry. Some might not like ice cream at all — any combination is possible.
What if we wanted to describe our feeling about Neapolitan as a whole?
I’m not quite halfway through Existence, by David Brin, but I’m enjoying it so much I have to start talking about it now. For one thing, it’s such a change from the Last Chronicles, which was a hard slog with a disappointing ending. (Still worth the journey, though.)
The novel is a standalone, not part of his Uplift Universe, but it apparently can be viewed as a kind of prequel to that reality. However: so far no alien contact, humanity is still on Earth, and computers are not conscious (but AI is very, very good). The year, as far as I can tell, seems to be in the 2040s or 2050s.
At heart, the novel’s theme is the Fermi Paradox; it examines many of the potential Great Filters that might end an intelligent species. But now an alien artifact has been found, a kind of message in a bottle that appears to contain a crowd of alien minds…
So very, very disappointing.
The headlines of articles I have no desire or intent to read proclaim that Lori Loughlin believes she did what any mother would have done for her child. I’m not all agog over actors, and barely recognized her name, but my impression of her persona involved a lot more of a moral center.
Recently, regarding our cultural calculus, I wrote, “Our greatest peril lies in disconnecting ourselves from truth,” because, “Life is hard enough these days without turning truth into a commodity.” Our social equation depends on us representing ourselves honestly, on not cheating.
Civilization demands that we play the game of life fairly.
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I just don’t get the calculus behind the choices being made by people like AG Barr and so many others in politics and government today. Do they not understand that their legacy is likely to cast them as great Villains in American history? Could they be so stupid, so arrogant and vain, that they don’t care about history when the moment promises fame, wealth, and power?
Or do they think they can actually win, that they can remake the world in their image? That we have so lost our way morally and culturally, that they can run roughshod over us and seize the world for their own gain and purpose?
The former possibility is scary enough, but the latter is terrifying.
This is a Sideband to the previous post, The 4th Dimension. It’s for those who want to know more about the rotation discussed in that post, specifically with regard to axes involved with rotation versus axes about which rotation occurs.
The latter, rotation about (or around) an axis, is what we usually mean when we refer to a rotation axis. A key characteristic of such an axis is that coordinate values on that axis don’t change during rotation. Rotating about (or on or around) the Y axis means that the Y coordinate values never change.
In contrast, an axis involved with rotation changes its associated coordinate values according to the angle of rotation. The difference is starkly apparent when we look at rotation matrices.