HAPPY 2024 YALL WE'RE CELEBRATING WITH THE SAPPHICS EVER

Around The Galaxy In Eighty Hours

Rey left the Falcon behind, walking up the steps on the Ahch-To island, and she fought the urge to run.

It had taken all this struggle to get here. All this time. The map BB-8 had carried… so many who’d been lost on the way… and now she was here.

She was going to ask Luke Skywalker for help. The legendary Jedi Master, the one who had defeated the Emperor.

As she climbed, though, a niggling little feeling began to gnaw at her.

Where was he, anyway?

She’d been assuming he was somewhere high up, and the Force wasn’t pointing her anywhere else. But she couldn’t see him, and as she reached the very top of the stairs… there was no sign of him.

“Master Skywalker?” she asked, looking around. “Master Luke?”

“Jee-dhai?” one of the locals asked, in a curious voice.

“Huh?” Rey replied, turning. “I… well, I don’t think… I want to be, but I’m not one yet… do you know where Master Skywalker is?”

The hooded alien shrugged, and pointed to one of the rock huts.

Curious, Rey entered.

It was immediately obvious Master Skywalker wasn’t in the hut. There wasn’t room. There was barely room for Rey… but, after a moment, she spotted something odd.

A folded piece of flimsiplast, with a metal-rimmed piece of crystal on it.

Taking the crystal, Rey was surprised to find that it felt… warm, and tingly. It fizzed with an unidentifiable but oddly familiar energy, and she turned it over before opening the flimsiplast.

It held only one sentence.

Use the Force on the crystal.

“...is this going to be a riddle?” Rey asked. “Or a trial of some sort?”

Silence answered her, and she took a deep breath before closing her eyes and focusing.

It was still… difficult, to call on the Force at will, but she could do it.

As she did, the crystal glowed, then filaments of light streamed out of it to form a face.

Master Skywalker’s face. She was sure of it.

“To whoever has found this,” he began. “Firstly, if this is Ben… well done for coming back to the light. And if not… I’m glad there are others besides myself who can use the Force without being tainted by the Dark Side. This crystal has been constructed using the techniques of the ancient Holocrons, which would shatter if they were forced open by the Dark Side.

He paused. “The Caretakers have a few of them, in case they need to replace one. Anyway… if you came here, then either the Force guided you here to Ahch-To or you came following the map. And if you came following the map, you came looking for me.”

Master Skywalker’s expression turned rueful. “So I’m sorry to disappoint you. I’m not here. I left. I grew up on a desert planet, and this place just… unsettles me. It gives me the creeps to see all that water. Hurricanes should be illegal, and this planet has some really nasty ones… anyway, I’ve moved somewhere where I don’t need to worry about that. You’ll find me in the Bespin system, on Cloud City…

Rey’s eye twitched, as the blue illusion of Master Skywalker’s face listed off an address.

The crystal fizzed slightly, and she dropped it before she could break it somehow, then crouched down and picked it up again – not accessing it with the Force, this time.

“Right,” she said, her voice tight, and turned to go right back down the slope again.

“You’re back early,” Chewbacca said, concern in his voice.

“Luke’s not here,” Rey replied, hitting the switch to raise the Falcon’s ramp. “Do you know where Bespin is?”

Chewie blinked.

“What?” he asked. “Yes, I know where Bespin is… you’re saying he’s on Bespin?”

“Apparently,” Rey replied. “Though I suppose the map is a map to where he went, not where he is. It’s not like he was updating it…”

Cloud City was an amazing sight, though it had begun to pall slightly for Rey when it took them half an hour to get a landing permit.

Eventually Chewbacca called in a favour from someone called Lobot, and ten minutes after that Rey rang the door chime on the address Luke had given her.

Then she stood outside, waiting.

It was strange to be in a completely built environment. Even the ground under her feet ultimately had nothing beneath it but air… and yet all this was kept in the air by technology.

If Rey hadn’t known quite so much about how solidly built repulsorlift units were, she might have been unsettled.

The door hissed open, and a woman looked out. “Yes?”

“I’m looking for Luke Skywalker?” Rey asked, awkwardly.

“Oh!” the woman said. “You know, he didn’t leave a forwarding address, but he did ask that something be given to anyone who came looking for him… hold on a moment, please.”

The door hissed closed again, and Rey leaned on her staff and groaned.

“I’m guessing we’re leaving?” Chewbacca asked.

“We’re leaving,” Rey confirmed. “For somewhere called the Dagobah system.”

She held up the crystal she’d been given. “If you’ve never heard of it, this should help, at least. It’s got a planetary map, as well… and a long, long complaint about vertigo.”

“He did once fall out the bottom of Cloud City,” Chewbacca volunteered. “That would give anyone vertigo… here, anyway.”

“So after spending a month here, I realized what training with Master Yoda had let me forget until then,” the pseudo-visible Jedi Master explained, as Rey focused – not without some annoyance – on the crystal she’d found in a hut. “Which is that Dagobah is damp. I can’t walk very far without sinking into the swamp, the only food available is moss soup… Master Yoda stayed here for decades, and I can see the argument that a Jedi should be inured to physical discomfort, but I just can’t take it any more. I’m going to Ajan Kloss.”

“Really?” Rey asked. “Really?”

She focused, drawing out her anger, and expelled it with a sigh.

Where on Ajan Kloss was she supposed to be looking, anyway?

The holocron-alike crystal shimmered, showing an Ajan Kloss planetary map, and Rey committed it to memory before closing her hand around the delicate-seeming crystal.

“All right,” she said. “Ajan Kloss, then! And there had better be a Jedi Master there.”

There was not.

“So it’s been the rainy season…” the next crystal declared. “And it’s not as swampy as Dagobah or as rainy as Ahch-To, but it’s a lot warmer and the combination is absolute hell. I thought it was the rainy season when I was here before, but it turns out that it was actually the dry season. This is the rainy season, and it never gets dry. Nothing gets dry. The humidity is absolutely one hundred percent constantly. The floor’s covered with millipedes and our robes are growing fungus on them.”

Rey shuddered involuntarily.

It did sound bad.

They were fortunately in the dry season again, or at least she assumed so since the rain coming down outside was only moderately heavy and the geography hadn’t been entirely covered by cloud.

“What’s worse, the plants here even grow at night,” Luke complained. “So that’s it. I’m done with this place. We’re moving somewhere where there’s no need to worry about plant life at all…”

“Are you sure this is necessary?” Rey asked, two hours later.

“Yes,” Chewbacca replied, giving her another parka, and Rey put it on somewhat awkwardly. “You’re from a desert world. You know how Dagobah was cold and wet?”

“I’m having trouble forgetting,” Rey replied.

“Well, that’s about fifteen degrees,” Chewbacca explained. “Hoth is minus forty. I was cold there.”

Rey stared.

“...do you have any more warm clothes?” she asked.

Eventually, with some difficulty, Rey struggled into the ruins of the Rebellion’s Echo Base.

It was below freezing cold, and intensely annoying, and what was worse was that there wasn’t even a Jedi Master there. Instead, there was another crystal.

It mostly contained Luke complaining about how kriffing freezing it was, and that he’d spent three days here before electing to move to the Forest Moon of Endor.

“What is this?” Rey asked, after extracting herself from the parkas and as the Falcon sped towards the Endor system. “Is it some kind of sick joke?”

“I’ll give this for Endor, it’s warmer than Hoth,” Chewbacca contributed.

The Endor map led to an Ewok village, where they treated Chewbacca like an old friend and sniffed at Rey with great suspicion before Chewbacca managed to make himself understood enough to explain that she was a friend.

Then an Ewok shaman said… something… and Rey found herself involved in some kind of blessing ceremony. It was surprisingly useful, in that it actually involved the Force, but Rey was struggling to concentrate by the second hour… and it wasn’t until the fifth that she actually managed to convey the question she had.

The Ewoks discussed amongst themselves, then finally realized what she meant, and led her to a large treetop hut.

An empty hut, with nothing but some folded flimsiplast on the table, and a crystal on top of it.

Rey wanted to scream, but she didn’t want her hosts to take it the wrong way.

“If you’ve ever met Ewoks, you’ll know they’re brave warriors and good people,” Luke said, as Rey slumped over the Dejarik table on the Falcon.

Both she and Chewbacca were watching Luke’s latest message, and part of Rey hoped that wherever it was going to be was far away enough that she could get some rest.

The rest of her was wondering if they could just give up looking.

“But they’re also… a bit much,” Luke went on. “It took a month or two, but ultimately it got to be too much for us, so we decided to move on. This time we’re going to somewhere where we should be able to be alone, and as a bonus we can be out of the rain as well… it’s a lot like a homecoming, in some ways. We’re going to the Great Temple on Yavin Four.”

Chewbacca muttered something, and went to set the autopilot.

“I never thought I’d say this, but I have actually got bored of green,” Rey said, as they flew low over the jungles of Yavin Four. “I didn’t think it was possible to get bored of something that quickly.”

Chewbacca shrugged.

“Are we picking anything up?” he asked.

“Not on the long range,” Rey replied, sitting down and checking the scanners. “Nothing on passive… that’s just because Luke wants to hide, right?”

She detected a note of desperation in her voice. “It’s not because he’s moved on again, right?”

Chewbacca didn’t say anything, but he did raise an eyebrow at her.

Searching the Great Temple took about an hour, and they didn’t find a Jedi Master.

They did, however, find one of the now all-too-familiar crystals, and Rey stared balefully at it before clasping her hands and letting out her anger.

Again.

Then she snatched it up, wanting to know where they were going to have to go this time.

“You know…” Rey said, as they broke orbit. “I actually almost sympathize with that one.”

“You do?” Chewbacca asked.

“Yeah,” Rey agreed. “Knowing that the temples here were literally built by slaves who were members of the original Sith species… it’s a Sith Temple. I imagine any Jedi would be uncomfortable with that.”

She looked down at the crystal. “I really wish he’d put one of these on Ahch-To, though.”

“No argument there,” Chewie mumbled. “At least Naboo is an easy one…”

“I don’t know much about the place,” Rey said. “Only that it was involved with the Clone Wars, somehow. Or maybe something before the Clone Wars.”

The crystal pointed them to a very fine town house in Theed, which did not have Master Luke in it.

Instead, it had a droid, who beeped and whistled at them.

“We’re looking for Master Skywalker,” Rey said. “Please tell me you know where he went.”

The droid beeped again.

“...Master Amidala?” Rey repeated. “But Master Skywalker said to come here…”

“Same person, it’s just his mother’s surname instead of his father’s,” Chewbacca provided. “Show the droid one of the crystals?”

“It can’t hurt,” Rey conceded. “Is this some kind of ancestral home, then?”

She activated one of the crystals, and the droid whistled gleefully before opening an internal compartment and depositing another crystal in her palm.

“Right,” Rey said, rubbing her forehead with her free hand. “It’s a good thing the Falcon is so fast. We must have done a lap of the galaxy by now.”

“We’ve mostly been going through the middle, but yes,” Chewie agreed. “Where now?”

“That’s always the question,” Rey conceded, focusing.

If there was one thing this was good for, it was learning to master her anger.

“I know, I know, I said we’d be here for good,” Luke apologized. “But I ran into a Palpatine on the street yesterday, and it freaked me out.”

He shook his head. “I know, they’re from a different branch of the family, not everyone called Palpatine is evil… but it really unsettled me and I can’t feel comfortable here any more. Not after I heard from Binks about how Palpatine exploited both my parents… and him.”

The Jedi Master let out a long sigh. “But being somewhere I inherited… it helped, really. It reminded me of the other place that I inherited. We’re going back home. Beggar’s Canyon and the Lars homestead. Ben, if you’re the one hearing this… I’m sorry that we couldn’t give you the childhood that my aunt and uncle gave me.”

The force hologram disappeared, and Rey closed her eyes.

“That didn’t even give us a planet,” she said.

“No problem,” Chewbacca replied. “I know where we’re going. I know where Luke grew up.”

He nodded to the droid. “Thanks for your help.”

The droid whistled, waving a probe cheerfully.

Naboo to Tatooine. Mos Eisley to the Jundland Wastes to the Lars homestead, and from there on to Beggar’s Canyon.

Rey could feel the tension building in the air. Like the signs of a sandstorm, but more positive.

Signs of… something. Maybe signs of hope.

“Found something,” Chewbacca said. “Zeroing in on it now.”

The Falcon banked, slowing, and Rey went to the ramp as it opened. Around her, the light transport hovered on repulsorlifts, and she held on to a stanchion as she leaned out into the hot, dry air.

“I can see something!” she reported, through her comlink. “Bring us down another four metres… all right… I’m getting out here, land as near as you can.”

“Got it,” Chewbacca replied, and Rey slipped out of the door.

She landed with a roll, and shaded her eyes to look closely at what she’d spotted.

There was no mistaking it. It was a hangar bay. Built into the side of Beggar’s Canyon, concealed from above except at exactly the right angle, and big enough to service plenty of ships at once.

There were ships there, in fact. Two transport shuttles, a light and utilitarian variety, and a heavier and heavily modified yacht. But there was space for several more, and Rey frowned as she approached.

This didn’t feel empty in the way the other places had been, a difference that only made sense now she’d felt both sides of it.

It felt… lived in.

Then three young adults – a strange four-legged two-armed half-equine, a more familiar Bothan, and a human – came out of a doorway, all looking at her warily.

“Who are you?” the bothan asked. “Why are you here?”

“I’m looking for Master Luke Skywalker,” Rey explained.

“...oh, well, you just missed him,” the half-equine replied. “He’ll be back-”

“Lusa!” the Bothan protested. “Operational security!”

“Right, right,” the now-identified Lusa said. “Why do you want to speak to him?”

“Because we need him,” Rey said, simply. “To fight the First Order. I… brought his old lightsaber?”

She held it out.

“Whoa,” all three youngsters said, at once.

Then the Falcon came flying back over, still looking for a landing spot, and the human gasped.

“Is that the Millennium Falcon?” he asked. “Did you come here with Han Solo and Chewbacca? Does that mean Ben-”

“No,” Rey replied. “Han’s dead. He… Ben killed him.”

That put a damper on the mood.

“...so, where is Master Luke?” Rey asked, after a few seconds. “Who are you? What are you doing here? I’ve been following his messages for more than a day!”

“Well…” Lusa began. “We’re… trainees?”

“The old word was padawans,” the Bothan supplied. “Master Luke decided that… uh… he said that he remembered what Master Yoda said, and that the only thing that mattered was the spirit. That you had to learn to avoid the Darkness, and that everything else you could learn at your own pace, however fast or slow that was.”

“And all the teachers left about two hours ago in their X-Wings,” the human contributed. “So we’re the ones defending the Academy!”

“I am going to need some time to process this,” Rey said. “...wait, in X-Wings?”

“We had a fleet,” Poe said. “Now we’re down to one ship, and you’ve told us nothing!”

He waved his hands, for emphasis. “Tell us that we have a plan! That there is hope!”

Admiral Holdo stared back.

“There is a plan,” she said. “But I don’t have to tell you what-”

“Admiral!” someone interrupted. “Hyperspace signatures! It looks like… they’re snub fighters, twelve of them!”

Holdo’s shoulders slumped.

“And there it is,” she declared, as the tension left, and she sat back into her seat. “Turn the ship! Prepare for close engagement!”

The radio crackled.

“All wings report in,” came a voice, Luke Skywalker’s voice, and it was so unexpected that Poe staggered back a pace.

“Katarn standing by,” one of the fighters reported.

“Horn, standing by,” another voice added.

The reports came, one by one. Jade, Dracos, Solusar, Durron, Ikrit, Binks, Desann, Korr, Penin. Then they broke for an attack run, and Poe could only stare.

He knew he was a good pilot. One of the best.

But even he had to admit that he couldn’t outdo that squadron.

Generalized Golf

I have looked up nothing about golf to write this.

Let C be any topological space. We will call this the ‘course’. For any two points x,y ∈ C we have a collection S_xy of ‘shots from x to y’, where each ‘shot’ s ∈ S_xy is a path in C from x to y, which is to say a continuous function s: [0,1] → C with s(0) = x and s(1) = y. For a shot s ∈ S_xy we call x its ‘start’ and y its ‘end’. Let S denote the collection of all shots in C between any two points.

A ‘hole’ on C is a triple (t,h,p) where t ∈ C is a point called the ‘tee’, h ⊂ C is a subset called (confusingly) the ‘hole’, and p is an ordinal number called the ‘par’. For any cardinal number κ we define a ‘golf’ of length κ to be a function g: κ → H, where H is a set of holes on C. A golf g is called ‘finite’ if κ is finite and the par of every hole in the image of g is finite. We define the par of a finite golf as the sum of the pars of its constituent holes.

A quintuple (C,S,κ,H,g) defined like above is called a ‘game of (generalized) golf’.

Take a hole (t,h,p), a successor ordinal ω+1. Let F: ω+1 → S be a function such that F(0) is a shot from t, for every i < ω the end of F(i) equals the start of F(i+1), the end of F(ω) is an element of h, and no F(i) ends in h before this. Such an F is called a ‘play’. We call ω the ‘score’ of F.

A ‘golfer’ is a collection of probability spaces, which for any shot s ∈ S with start x and end y gives a probability space on the set of shots from x. This is to be interpreted as the ways in which a shot can deviate from the golfer’s intent.

…

Now to define the real numbers by way of games of golf on ℚ.

This idea for an SCP article came to me in a dream, so it’s not necessarily good, but I have to get it out there. My subconscious was clearly influenced by memories of mathematical SCPs (like SCP-033 and SCP-1313) and semiotic SCPs (like SCP-4703, though I hadn’t actually read that one before, and another one I can’t for the life of me find right now but I’ll add it if I do).

Keep reading

And God said, "Behold! I have created the fourth primordial force: the weak interaction!"

And the angels all clapped and nodded politely, and there was a long silence; and finally Verchiel, the Angel of Grace, spoke up and asked, "Er, what exactly does it do, O Fashioner?"

And God said, "What do you mean, 'what does it do?' It's the fourth fundamental force of the universe."

And Verchiel said, "You mentioned that. Um. But it's just that the other three sort of have a brand, you know? Gravity helps build large-scale structures, acts over vast cosmic distances, shapes time and space. The strong force is secret, hidden, binding together quarks and all that. Electromagnetism, very cool stuff, somewhere in between. We're all big fans of the whole magnetic monopole double bluff, very clever. But, er. What does this 'weak interaction' do?"

And God said, "It mediates radioactive decay. Sort of."

And Verchiel said, "Radioactive decay? All radioactive decay?"

And God said, "No. Just some kinds."

And Zephaniel, the Chief of the Ishim spoke, and he said, "A whole independent force just to mediate some kinds of radioactive decay?"

And God said, "Well. Not totally independent. Technically it's related to electromagnetism."

And Zephaniel said, "Wait, it's not even a real force?"

And God said, "It's totally a real force. It's just that it's one aspect of a combined electromagnetic and weak force. An electro-weak force, if you will."

And Metatron, the Celestial Scribe, scratched his head at this, but said nothing.

And Cambiel, the Angel of Transformation, said, "Maybe you can walk us through it from the top."

And God Sighed an immense Sigh, and said, "All right, fine.

"So the way it works is that all of space and time is permeated by a field that has imaginary mass."

And Cambiel said, "Imaginary mass, O Generous Provider?"

And God said, "Yes, imaginary mass. It's tachyonic, d'you see?"

And Sarathiel, the Angel of Discipline, said, "Wait a minute, I thought we agreed nothing was going to travel faster than light? All that 'c' business and the whole Lorentz transformation thing. What's happening with that?"

And God said, "Let me finish. The field is tachyonic. The particles in the field all move slower than light."

And Sarathiel had to think about this for a second.

And God said, "The point is, a field with imaginary mass has a non-zero vacuum expectation value."

And this really gave Sarathiel trouble, since he had never been very good at math.

And God, seeing this, went back to explain. "Most fields, like the electromagnetic field, have no effect when they are at their lowest energy state. It's like they're not there at all. If you give a field imaginary mass, then it vanishes only when it's at a very high energy state, and at a low energy state, it has a nonzero value everywhere."

And Sarathiel nodded, but he was confused, because he didn't understand why God would create such a thing.

But Verchiel thought he saw where God was going with this, and he was amazed.

"Truly, you are cunning beyond measure, O Only One Certainly Sound and Genuine in Truth! Only now do I understand your design! For in order to make the universe homogenous and isotropic, it is necessary that all large-scale fluctuations in temperature and mass must be evened out early in the history of the cosmos; and therefore, you have designed a field which will rapidly expand space after the Big Bang, many orders of magnitude in brief moments, and then swiftly and spontaneously decay as it gives up the energy it began with, giving rise to radiation and particles of all kinds as it does, which will condense into the material universe! It is a wonder to behold."

And God said, "What? No. I mean I did, but this isn't the inflaton field I'm talking about. This is something else."

And Verchiel said, "Wait, it's not?"

And God said, "No, I'm going to use a different field to drive cosmic inflation. The properties of this field are totally different."

And now Verchiel was also confused, and lapsed into silence.

And God said, "Like I was saying, this field is a scalar field with imaginary mass, and it does spontaneously decay to a ground state with a non-zero value. But it's not the inflaton field. Instead it combines with the W1, W2, W3, and B bosons."

And Metatron began to flip back through the pages of the Heavenly Record trying to figure out where he'd lost the thread.

And Zephaniel said, "The what bosons?"

And God said, "The W1, W2, W3, and B bosons. I'm sure I mentioned them. You know, the massless bosons?"

And Zephaniel said, "I'm pretty sure we only talked about the W+, W-, and Z0 bosons. All of which you said were going to have mass, O Owner of All Sovereignty."

And God said, "Yes, but this is how they get them, you see. Once this field acquires a nonzero value everywhere, the massless bosons interact with it and get mass. Well, some of them do. They turn into the W+, W-, and Z0 boson. And the photon."

And Zephaniel said, "…and the photon, O Accepter of Invocation?"

And God said, "Well, I did say I was going to unify the electromagnetic force and the weak interaction, didn't I? This is how. Above the critical temperature--right now I'm thinking 10^15 K, but I'm open to feedback on that one--electromagnetism and the weak force act as a single unifying force. Below that temperature, the field gets a nonzero value, you get three massive bosons to mediate the weak interaction, and the photon pops out seperately."

And Zephaniel said, "That seems… a bit overly complicated, doesn't it, O Reinstater Who Brings Back All?"

And God said, "No, it's exactly what we need. Look, that way the W and Z bosons have something to do, but the weak interaction still only travels short distances. Gravity is still the star of the show on cosmic scales, as it were. But now quarks and leptons can swap their flavor!"

And Zephaniel said, rather weakly, "Their… flavor, O Source of Good?"

And God said, "It's this new quantum number I'm trying out, to give the three generations of matter more unique identities."

And Cambiel said, "Three generations of matter? Now I'm really confused."

And God said, "I'm sure I mentioned this. You've got the lightest quarks and leptons, and then two heavier versions of each that can decay into the lighter versions."

And Cambiel said, "What do they do? New kinds of chemistry, is it?"

And God said, "Well, no. Mostly they just decay in a couple microseconds. Or even faster."

And Zephaniel began to rub his temples, and Cambiel sniffed.

And Cambiel said, "This all seems a bit ad hoc to me. Not really the stuff of an elegant and obviously ordered Creation. Why not have four generations of matter? Why not a trillion?"

And God began to grow irritable, and said, "Well, that's not really up to you, now is it? We're going to have three generations of matter, and the electroweak force, and that's that!"

And Zephaniel said, "As long as we are unifying fundamental forces, perhaps we could somehow also unify the electroweak interaction with the strong interaction, or even gravity."

And God hesitated saying, "Well, I haven't decided about that yet. I'm not sure I want gravity to be quantized, you know? Seems to take some of the geometric elegance out of general relativity."

And now it was Zephaniel's turn to sigh, and he bowed his head. "As you wish, O Possessor of Authority of Decisions and Judgement."

The Billy Joel GIF set on Instagram is funny because you've got all your Uptown Girls, your We Didn't Start the Fires, your Allentowns, and your The Longest Times and a couple of the old man's live performances and then for some reason there's a GIF of "Say Goodbye to Hollywood" Live at Sparks 1981. I have no idea who is responsible but they have criminally good music taste and I hope their soup is always warm and their milk always fresh.

On Criticism vs. Insult

It is important to understand the difference between appropriate criticism and constructive feedback vs. insults.

One can help you grow, while the other is not something you have to carry, as they are unnecessary burdens given to you for torment.

While it is easier said than done to let go of the heavy baggage, the first step is awareness. It is vital to carry the ability to distinguish between criticism and insult, and to be able to discern if what has been given to you is out of good or bad intentions.

In Defense of Tolkien’s Mountains

At tor.com, Alex Acks asserts that the mountain ranges of northwestern Middle-earth are geologically implausible. But I think a fair reconstruction of Middle-earth tectonic history can be made. This is a long post, so I’m putting it behind a read-more:

Keep reading

Tag yourself I’m Aled’s iPad

Why do we use the symbol for partial derivatives as the symbol for boundaries of manifolds?

people trying to insist a fandom is tiny when it /only/ has a few thousand works on ao3 meanwhile my current fandom is a sixteen book series and has several hundred fewer works than goncharov, a movie that, and i cannot stress this enough, doesn’t even exist