ABCD
Sea Chase

There are two rules on this ship: Never gaze back into the projection abyss, and never touch the red button labeled DYMAXION.
Control Group

Placeble 228 x/6n⬜⬜⬜⬜⬜n⬜⬜⬜⬜⬜n⬜⬜⬜⬜⬜n⬜⬜⬜⬜⬜n⬜⬜⬜⬜⬜n⬜⬜⬜⬜⬜
What If? 2

CLARIFICATION: By 9/13, I mean September 13th, not the 9th day of Jancember, the cursed 13th month that exists between December and January in the transdimensional temporal plane.
Autoresponder

I ADMIRE HOW YOU SET BOUNDARIES AND I HOPE YOUR COLLEAGUES RESPECT THEM! PLEASE SPARE MY LIFE!
Alien Mission

Fine, we can go search the Himalayas for the Yeti ONE more time, but keep a safe altitude over the Pacific and PLEASE watch where you're going. We can't afford another Amelia Earhart incident.
Alien Observers

ALERT: Human 910-25J-1Q38 has created a Youtube channel. Increase erratic jerkiness of flying by 30% until safely out of range.
Hydraulic Analogy

Current (water) running through the water (wires) causes it to boil, increasing the pressure (voltage), but resisting (impeding) the flow of hydroelectricity (water currents). This is the basis for Ohm's law.
Captain Picard Tea Order

We can ask the Earl for his order once he's fully extruded from the dispenser.
Hypothesis Generation

Frazzled scientists are requesting that everyone please stop generating hypotheses for a little bit while they work through the backlog.
Spinthariscope

Other high scorers are melt-in-your-hand aluminum-destroying gallium and tritium-powered glowsticks. Lawn darts are toward the other end.
Language Development

The worst is the Terrible Twos, when they're always throwing things and shrieking, "forsooth, to bed thou shalt not take me, cur!"
Decorative Constants

Arguably, the '1/2' in the drag equation is purely decorative, since drag coefficients are already unitless and could just as easily be half as big. Some derivations give more justification for the extra 1/2 than others, but one textbook just calls it 'a traditional tribute to Euler and Bernoulli.'
Latency

Each SCAPDFATIAT point increases the chance that the process will involve the phrase 'by the next business day.'
Sunshield

RIP the surface of Mars
Throat and Nasal Passages

I always felt like what the 'you are now aware of your tongue' thing needed in order to be truly enjoyable was an element of mortal peril.
Formatting Meeting

Neither group uses iso 8601 because the big-endian enthusiasts were all at the meeting 20 years ago.
Moonfall

Novel ideas and cool explosions are both good, but what I really want from a movie is novel ideas ABOUT cool explosions.
Confounding Variables

You can find a perfect correlation if you just control for the residual.
December 25th Launch

Update: Santa has been destroyed by the range safety officer.
Rapid Test Results

A solid red area with two white lines means that you have been infected with the anti-coronavirus, COVID+19, which will cure anyone you have close contact with.
Immunity

This plan may sound appealing to people who know a little about the immune system, but the drawbacks are clear to people who know a lot about the immune system and also to people who don't know anything about it.
Turing Complete

Thanks to the ForcedEntry exploit, your company's entire tech stack can now be hosted out of a PDF you texted to someone.
Notifications

It's 10:34 PM for this user. They really need to get going, they have a thing early tomorrow. Are you sure you want to notify?
Gift Exchange

In addition to having all their budgets in a spreadsheet with consistent formatting, they just love expressing preferences on a well-calibrated numerical scale.
Incident Report

Increasing-precision timestamps are the Jaws theme of incident reports.
The Last Molecule

Biology is really struggling; they're barely at 93% and they keep finding more ants.
Debunking

Mark Zuckerberg has only neutral feelings toward Peppa Pig, who he understands is a fictional character, and he blames the coronavirus pandemic on other factors.
Webb

Each one contains a chocolate shaped like a famous spacecraft and, for the later numbers, a pamphlet on managing anxiety.
Edge Cake

Every time IERS adds or removes a leap second, they send me a birthday cake out of superstition.
Awful People

Hm, this burger place has a couple of good reviews, but LakeSlayer7 says he got food poisoning there and everyone should try this other place down by the lake instead.
Siren

Directions from CITY OF TROY to ITHACA / Total time: 10y 54d 14h 25m / Warning: Route crosses an international border / route includes capture by the goddess Calypso / route includes a ferry
Fiction vs Nonfiction

The real challenge is how to file Boba Fett's biography of Doris Kearns Goodwin.
Bayes' Theorem

P((B|A)|(A|B)) represents the probability that you'll mix up the order of the terms when using Bayesian notation.
Heart-Stopping Texts
![Was this your car? [looping 'image loading' animation]](https://imgs.xkcd.com/comics/heart_stopping_texts.png)
Was this your car? [looping 'image loading' animation]
Never Told Anyone

Even if you said you were an employee of the website, if you asked for my password, I'd tell you.
Daylight Calendar

Could be worse. In some towns north of here, it's already December, and the 21st will last for nearly a week.
Occam

Oh no, Murphy just picked up the razor.
TTSLTSWBD

Tomorrow's sessions will be entirely devoted to sewing machine rotary hooks.
Flinch

Premed: "Does this count for a physics credit? Can we shorten the string so I can get it done faster? And can we do one where it hits me in the face? I gotta do a thing for first aid training right after."
Snack

Although grad students, suddenly reminded that food exists, tend to just grab and devour both without further discussion.
Painbow Award

This year, our team took home the dark blue ribbon, better than the midnight blue we got last year but still short of the winning navy blue.
Wirecutter

This was always going to be a controversial Wirecutter post, but what really got them in trouble were their 'budget' and 'upgrade' picks.
Common Cold Viruses

"It's not an influenza, but the onset has notes of the '09 H1N1 strain." "Ah yes, that was a good year for H1N1."
Retractable Rocket

Hard to believe that for so many years once they were fully extended we just let them tip over.
Slope Hypothesis Testing

"What? I can't hear--" "What? I said, are you sure--" "CAN YOU PLEASE SPEAK--"
Censored Vaccine Card
![CVS's pharmacies are fine, but I much prefer their [censored]s.](https://imgs.xkcd.com/comics/censored_vaccine_card.png)
CVS's pharmacies are fine, but I much prefer their [censored]s.
Dark Arts

You think, 'okay, THIS is an ideal use case for hardlinks!' but then 6 months later you're doing some extremely cursed Google search like 'javascript ext4' and wondering where things went wrong.
Clinical Trials

We don't need to do a clinical trial of this change because the standard of care is to adopt new ideas without doing clinical trials.
Unsolved Math Problems

After decades of studying the curve and the procedure that generates it, the consensus explanation is "it's just like that."
Flag Map Sabotage

Delaware hopes to explore the western edge of areas marked with the Belgian flag, once the tornadoes die down.
New Nobel Prizes

They've endowed a separate prize in Physiology or Medicine or Stopping Dr. Adams.
TSP vs TBSP

It's like one teraspoon / when all you need is a kilonife
Air Travel Packing List

I know the etiquette is controversial, but I think it's rude when the person in front of me reclines their seat into the bell of my trumpet.
Comet Visitor

It's a myth that the Great Wall of China is the only human-made structure visible from space--there are LOTS of structures for us to feel self-conscious about!
Endangered

The list includes polio, Guinea worm, and this one particular enterovirus strain that they've been tracking out of spite after it went around the lab a few years ago.
Two-Factor Security Key

The bruises on my fingertips are my proof of work.
Toothpaste

"9 out of 10 dentists have banned me from their offices."
Symbols

"röntgen" and "rem" are 20th-century physics terms that mean "no trespassing."
Sloped Border

"The slope will be 74° at ground level." "Okay, I think we can hack together a ... wait, why did they specify ground level? It's 74° everywhere, right? ... Oh no, there's a whole section in the treaty labeled 'curvature.'"
Lumpers and Splitters

Anna Karenina is a happy family lumper and unhappy family splitter.
Rover Replies

I'm so glad NASA let you take your phone to Mars!
Hubble Tension

Oh, wait, I might've had it set to kph instead of mph. But that would make the discrepancy even wider!
Vaccine Research

Honestly feel a little sheepish about the amount of time and effort I spent confirming "yes, the vaccine helps protect people from getting sick and dying" but I guess everyone needs a hobby.
Lab Equipment

I've been working on chocolate bar annealing techniques to try to produce the perfect laser s'more. Maybe don't mention that on the grant application though.
Saturn Hexagon

Sorry, in SI units that's "there's a big football in there."
Revelation

And the heaven departed as a scroll when it is rolled together, but then more heaven kept appearing to replace it, as if the scroll was infinite.
Recreate the Conditions

We've almost finished constructing the piña collider.
Modern Tools

I tried to train an AI to repair my Python environment but it kept giving up and deleting itself.
Useful Geometry Formulas

Geometry textbooks always try to trick you by adding decorative stripes and dotted lines.
Circumappendiceal Somectomy

Some personal news: After treating my first case a few years ago with antibiotics, I can report that I have now had appendicitis for the second and--unless something extremely unexpected happened with the surgery--final time.
USV-C

Ultra-Serial Violet C light is unpolarized, so you don't have to flip the polarizing filter over when you get the orientation wrong the first time.
Projecting

This is something we all need to work on, but especially you all.
News Story Reaction

Unless the next line is, "After we broke up, she blamed the painting and spent years planning her revenge, so my sorrow is mixed with relief that the dogs at least denied her that triumph."
Fissile Raspberry Isotopes

Grandma's shelf-stable blackberry pie meson recipe was a huge seller until her farm was shut down by a joint FDA/NRC investigation.
Memo Spike Connector

Backward-compatible with many existing cables, and can connect directly to phones or tablets if you press them down hard enough.
Every Data Table

I'm hoping 2022 is relatively normal because I don't know what symbol comes after the asterisk and the dagger.
Average Familiarity

How could anyone consider themselves a well-rounded adult without a basic understanding of silicate geochemistry? Silicates are everywhere! It's hard to throw a rock without throwing one!
Global Temperature Over My Lifetime

I was really impressed by the accuracy of some of the report's predictions about fossil fuel consumption. Then I realized, oh, right, of course.
Abandonment Function

Remember to only adopt domesticated drones that specifically request it. It's illegal to collect wild ones under the Migratory Drone Treaty Act.
Forest Walk

The only other person to walk by was a linguist back in the 80s, but she just spent a while dissecting the phrase 'help me down' before getting distracted by a squirrel and wandering off.
Logic Gates

In C, the multiocular O represents the bitwise norxondor gorgonax.
Mine Captcha

This data is actually going into improving our self-driving car project, so hurry up--it's almost at the minefield.
Universal Seat Belt

The plug fits really snugly, so it should be safe in a crash.
Flawed Data

We trained it to produce data that looked convincing, and we have to admit the results look convincing!
Dual USB-C

Small devices use two-prong USB-AC, but there's also a three-prong version with a USB-B plug as the ground.
Commonly Mispronounced Equations

"Epsihootamoo doopsiquorps" --the Schrödinger equation for the hydrogen atom
Immune Factory

In the final vote, the doubters were won over by the strength of the name IMMUNION.
Pre-Pandemic Ketchup

I wonder what year I'll discard the last weird food item that I bought online in early 2020.
Bad Map Projection: The Greenland Special

The projection for those who think the Mercator projection gives people a distorted idea of how big Greenland is, but a very accurate idea of how big it SHOULD be.
Board Game Argument: Legacy

Listen, you need to get over your reluctance to permanently alter a game. Now roll 2d6 to determine how many ounces of soda to spill into the box.
Danger Mnemonic

It's definitely not the time to try drinking beer before liquor.
Board Game Party Schedule

Several of the guests are secretly playing Meta Board Game Party. Every minute of parallel debate in the breakaway faction earns double victory points!
Nightmare Code

Charsets even used to be known as 'alpha-bets' before that word's obvious negative associations caused it to die out.
H-alpha

"All the companies whose blimps I shot fireworks at are mad, but MetLife is especially miffed because I dressed up as the Red Baron."
Linked List Interview Problem

I'd traverse it myself, but it's singly linked, so I'm worried that I won't be able to find my way back to 2021.
Indoor Socializing

The problem with learning about biology is that everyone you meet is it.
1991 and 2021

"Oh, and our computers all have cameras now, which is nice during the pandemic lockdowns." "The WHAT."
No, The Other One

Key West, Virginia is not to be confused with Key, West Virginia.
Houseguests

You can come on in, we're all fully vaccinated. Except the spare room off the living room. Don't go in there, we're not fully vaccinated in there.
Alien Visitors 2

"Although fresh juice DOES sound--" "NO! For humanity to survive we must learn from the mistakes of the past."