Avatar

let the wind lead~

@paradoxspaceheater / paradoxspaceheater.tumblr.com

maia | they/any | multifandom | aka peredain

Talking to people about your characters really is a game changer. You'll start saying things about them you didn't even know you knew.

they are good close friends. best friends, even :)

[image is six chibi drawings of duos: Bennett and Razor sitting together, Kaeya and Diluc standing with their backs to each other looking pensive, Beidou lifting Ningguang in a princess carry, Zhongli nuzzling a very flustered Xiao, Alhaitham and Kaveh holding hands, and Tighnari and Cyno dancing together.]

idk when we decided that explaining yourself shouldn't be part of an apology but like. if someone was a dick to me and apologizes but I still don't understand why they did it I'm not gonna feel any better

"Sorry for hurting your feelings earlier. I was trying to say x, but I guess it came across wrong. I don't think you're stupid."

or

"Sorry I snapped at you. I didn't get enough sleep last night so my patience is a little low today."

is a better apology than

"I want you to know that I am sorry that my actions offended you. I take full accountability for my actions and I am listening and learning. I hear you."

if you were in high achool taking more than two ap classes at once unfollow me im not gonna have the right posts for you anyway you deserve those fruit math memes and well i never understood those

you should be scrolling these all day if you took more than 2 ap classes

fun fact for anyone not aware. the smallest possible numbers that solve this particular problem are each ~80 digits long and solving it requires using elliptic curves (some context: elliptic curves are the kind of thing required for proving Fermat’s last theorem, which was so hard it went unproven for over 350 years and was only finally proven in 1994).

the percentage of people who can’t solve it is likely way higher than 95% and until AP Ph.D. in Number Theory is introduced no amount of AP classes will save you

Avatar

Just woke up from a dream where one of my Tumblr mutuals taught me about an image processing transform called the "communist transform" that was... apparently part of some specific open source movement to track changes in DRM'ed media?

and I pulled out a whiteboard and fucking worked through a 4x4 example by hand

I think my brain is broken

Avatar

@medium-amount-of-gay asked for more context, so: this is the code for the Communist Transform (it's basically a five-point estimation of Gaussian curvature?)

and here's what it actually looks like (on a picture of Karl Marx for thematic coherency)

I have no idea what it has to do with communism, or open source software, or anything, but that's dream logic for you. I'm just kind of amazed that something someone told me in a dream was mathematically coherent enough to code it at all.

Avatar

Oh, it's really sensitive to pixel-level noise. I blurred the original image and it's a lot clearer what's going on -- it's an edge detector.

you see, this is the communist transform because the low signal represents the proletariat and the high signal represents the bourgeoisie, and therefore

Avatar

...the funny thing is, you were the mutual who taught me this in my dream

  • None of them are gonna be physically violent
  • The Reddit users are going to judge you if you express any religious or “unscientific” sentiment
  • The Catholics run the gamut from “hardcore pro-lifer” to “Nun who invented communism”
  • The Protestants have brought lots of food but are going to proselytize the entire time you eat
  • The crystalists are split 60/40 on whether or not vaccines cause autism, and you don’t know who has the majority until you’ve been there an hour
  • The Anglophiles have good pastries, but 1/3 of them are in Sherlock cosplay
  • The girlbosses are all within 10° to the left of the center of the political spectrum and will try very hard to get you to invest in their MLM
  • The vegans brought food but will turn hostile if you let slip that you’ve used animal products in the last year
  • The reenactors have booze, but your phone is dead and they’re giving a very pro-America history lecture
  • The influencers have a pool, a jacuzzi, and lots of drugs, but they have a combined net worth that teaches seven digits and won’t let you forget it
  • The retirees have great weed but they’re gonna ask you a lot of invasive questions and give you a lot of unsolicited advice.
Avatar

My new webtoon ’Daughter of a Thousand Faces’ is out on Tapas now! If you’re into stories about disappointing princesses, her secret evil Demon teacher, and how bad of an idea this found family duo is…this is for you!

Shen Yuhua is a disappointment to the Grand Chaoyang Palace Sect, with no powers or great beauty, she brings nothing to the table for her immortal father. That all changes one day when she accidentally meets Chu Tian, the famed Demon of a Thousand Faces, her father’s arch nemesis… and accidentally frees him from his prison.
Avatar

Pluto aside what's your favorite planet? I'm not an astronomy guy but I passively enjoy people talking about weird astrographic features. Like ring galaxies and shit

Avatar

of the major planets it's hard to choose but either Earth (so much cool stuff is here!) or Saturn (rings pretty).

of the minor planets, I gotta go with the Gonggong. I've liked Gonggong since back when it was still called 2007 OR10. for a really long time, it was the largest unnamed object in the solar system. and I always felt like it was strange how there was this almost-certainly dwarf planet which even has its own moon that hadn't been given a name yet, and that it really deserved to have one

and then it was named Gonggong and it's the perfect name for it. worth the wait!

Avatar
Avatar

... did the IAU only find out that Pluto didn't clear its orbit in 2006, making them realize that it actually wasn't a planet after all? What was the new discovery that ended up showing that their definition of a planet was completely inadequate?

Avatar

it was a series of discoveries from 1992 to 2005 that led to the decision, but in particular the discovery of Eris, an object more massive than Pluto in the same belt of trans-Neptunain objects that Pluto is in.

I don't think the way "clearing the orbit" is usually explained is very helpful for getting laypeople to understand what it means. it does sound kinda arbitrary if you just look at the official definition without first fully getting why it's a concept useful enough to come up with a definition for it.

the Solar System can be thought of as being divided into these "bands". some of these bands have one large object in them that gravitationally dominates the entire band. anything else in these regions of the Solar System either has an orbit directly influenced by that large object, or doesn't have a stable orbit at all. (there's a lot of confusion about this point. "clearing the orbit" does not mean the area around the object's orbital path is empty, it means that anything that is in the orbital path is either unstable or has an orbit that's directly influenced by the object in question.)

however, there are other regions of the Solar System between the regions dominated by these large bodies where there are many many smaller objects with orbits that all cross each other and don't significantly impact one another. the first of these that was discovered was the asteroid belt between Mars and Jupiter. the Kuiper Belt, where Pluto is, is another example.

so, in the study of the dynamics between objects in the Solar System (this is one of the primary things the field of astronomy does), it's useful to have a single convenient word for "object which gravitationally dominates all the other objects in its associated region of the Solar System", and in 2006, it was decided by a vote in the IAU that the word "planet", which until that point didn't have a very strictly defined definition (it was, at best, a catchall category for anything that went around the Sun that didn't belong to any other category), would be used to refer to that concept.

and as I've said before, using a common word to refer to a highly specific concept for technical purposes is completely normal. every single field of study does this. the other uses of the word "planet" still exist, but in a classification system, it's important for people to agree what the classifications themselves mean, and the technical definitions that are established should be useful to the field of study that they are made for.

so, to answer the actual question. the realization that Pluto doesn't clear its orbit happened gradually over the course of about a decade. we realized that, in terms of its role in the dynamics of the Solar System, it is more useful to group Pluto in with the other trans-Neptunian objects in the Kuiper Belt than it is to group it in with the planets, and that there are a lot of Pluto-like objects in the Kuiper Belt.

Avatar