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XKCD

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For all you Super Users out there. You have backups, right?
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XKCD
17:26
AAAAAA A ÃA̧AȂA̦ ǍÅÂÃĀÁȂ AAAAAAA!
XKCD
Wed 16:55
Unfortunately, KM3NeT led to the discovery of the Pauli anglerfish, which emits Cherenkov radiation to prey on neutrino researchers.
XKCD
Mon 21:43
They just want researchers in the enclosure to feel enriched and stimulated. ('The Enclosure' is what archivists call the shadowy world outside their archives in which so many people are trapped.)
XKCD
Feb 15 04:31
They may technically have been softwoods at some point, but they definitely aren't now.
XKCD
Feb 12 13:57
What's weirder is that muons turned out to be INCREDIBLY cute.
XKCD
Feb 10 22:25
The bottom ones are also potentially bad news for any other planets in our solar system that have been counting on Earth having a stable orbit.
XKCD
Feb 7 22:08
As a first step, they can put in a secondary deck, to help drivers try it out and find out how fun the jumps are. After a while no one will use the old flat deck and they can remove it.
XKCD
Feb 5 17:37
It was great until my thumb slipped and I accidentally launched my telescope into the air at Mach 8.
XKCD
Feb 4 02:52
If only my ancestors had been fortunate enough to marry into the branch of the bacteria family that could photosynthesize, like all my little green cousins here.
XKCD
Jan 31 22:44
It struggles a little with complex positions, like when there are an even number of moves and it has to round down, but when run against itself it's capable of finding some novelties. At one point I saw six knights on the board at once; Stockfish rarely exceeds four.
XKCD
Jan 29 23:47
They should add a little sticker that certifies that the humidifier supports water conservation, but in the sense of energy conservation or momentum conservation.
XKCD
Jan 27 20:12
Update: I've been banned from the physics department for the way I pronounce "Doppler effect."
XKCD
Jan 24 12:57
Unfortunately, body size and bite force continue to increase.
XKCD
Jan 22 22:59
They're continuing to search for a square with the same area as the circle, as efforts to construct one have run into difficulties.
XKCD
Jan 21 03:07
Can you pass the nackle?
XKCD
Jan 18 00:39
I wonder what surviving human held the record before balloons (excluding edge cases like jumping gaps on a mountain bridge). Probably it was someone falling from a cliff into snow or water, but maybe it involved something weird like a gunpowder explosion or volcano.
XKCD
Jan 15 13:30
Speed limit c arcminutes^2 per steradian
XKCD
Jan 13 20:41
A good ²³⁸Umbrella policy should cover it.
XKCD
Jan 10 18:43
The zoo takes special care to keep kings separated from opposite-color pieces as part of their conservation program to prevent mating in captivity.
XKCD
Jan 9 05:12
You don't want the nitrogen percentage to be too high or you run the risk of eutrophication.
XKCD
Jan 6 21:14
I don't dig pit traps and cover them with sticks and a thin layer of leaves nearly as much as I expected; I find a chance to do it barely once a month.
XKCD
Jan 3 19:10
You may notice the first half of these instructions are similar to the instructions for a working nuclear fusion device. After the first few dozen steps, be sure to press down firmly and fold quickly to overcome fusion pressure.
XKCD
Jan 2 03:55
The most important quantity for meteorologists is of course the product of latent pressure and temperostrophic enthalpy, though 'how nice the weather is' is a close second.
XKCD
Dec 30, 2024 22:29
Inside is a third box, labeled DO NOT OPEN UNLESS YOU ARE IN THE TIME ZONE WHERE YOU OPENED BOTH PREVIOUS BOXES.
XKCD
Dec 27, 2024 22:52
I still don't know how the police found my compound where I ran an illegal searchlight depot/covert blimp airfield/fireworks testing range.
XKCD
Dec 26, 2024 00:50
C'mon, ESA Solar Orbiter team, just give the Parker probe a LITTLE nudge at aphelion. Crash it into the sun. Fulfill the dream of Icarus. It is your destiny.
XKCD
Dec 24, 2024 02:44
Under some circumstances, if you throw a D8 and then a D12 at an enemy, thanks to the D8's greater pointiness you actually have to roll a D12 and D8 respectively to determine damage.
XKCD
Dec 21, 2024 03:58
Fermions are weird about each other in a standoffish way. Integer-spin particles are weird about each other in a 'stand uncomfortably close while talking' kind of way.
XKCD
Dec 18, 2024 13:35
The best case is O(n), and the worst case is that someone checks why.
XKCD
Dec 16, 2024 17:02
Even when you try to make nice, smooth ice cubes in a freezer, sometimes one of them will shoot out a random ice spike, which physicists ascribe to kiki conservation.
XKCD
Dec 13, 2024 19:17
In the aviation world, they don't use AM/PM times. Instead, all times are assumed to be AM unless they're labeled NOTAM.
XKCD
Dec 11, 2024 21:36
It works because a nautical mile is based on a degree of latitude, and the Earth (e) is a circle.
XKCD
Dec 10, 2024 04:43
No, of course we don't microwave the mug WITH the teabag in it. We microwave the teabag separately.
XKCD
Dec 6, 2024 19:49
And even when they're not distracted, they usually get kicked out for illegal under-the-net 'subduction spikes'.
XKCD
Dec 5, 2024 04:05
Stockfish 16 suggests the unconventional opening 1. RuntimeError: Out of bounds memory access
XKCD
Dec 2, 2024 15:48
The growth rate of items per day may may seem absurd, but it's actually much less than the acceleration in the 12 Days of Christmas song.
XKCD
Nov 29, 2024 13:50
Hmm, they won't do in-flight delivery, so let's order a new first and second stage to our emergency landing site and then try to touch down on top of them to save time.
XKCD
Nov 27, 2024 22:15
Our sysadmin accidentally won a Nobel Prize while trying to debug neutrino oscillation error correction.
XKCD
Nov 25, 2024 22:24
We also should really have checked that the old water tower was disconnected from the water system before we started filling it with compressed air.
XKCD
Nov 23, 2024 00:56
Look, you can't complain about this after giving us so many scenarios involving N locked chests and M unlabeled keys.
XKCD
Nov 20, 2024 14:54
Sometimes, you have to sacrifice pieces to gain the advantage. Sometimes, to advance ... you have to fall back.
XKCD
Nov 19, 2024 01:32
The real key was inventing the windmill-powered winch.
XKCD
Nov 15, 2024 17:44
Dinosaur Cosmics
XKCD
Nov 13, 2024 12:53
They had BETTER make this a sample return mission.
XKCD
Nov 12, 2024 00:56
There's a maximum likelihood that I'm doing phylogenetics wrong.
XKCD
Nov 9, 2024 05:05
"10 minutes ago we were down to only 2 0s!" "How many do we have now?" "I ... don't know!!"
XKCD
Nov 7, 2024 05:47
These rocks are from a time before eyes, brains, and bones, pieces of a land warmed by an unseen sun.
XKCD
Nov 4, 2024 20:23
"One popular strategy is to enter an emotional spiral. Could that be the right approach? We contacted several researchers who are experts in emotional spirals to ask them, but none of them were in a state to speak with us."
XKCD
Nov 1, 2024 15:52
Though they do appreciate how much he improved the heating system for the flame pit.
XKCD
Oct 30, 2024 23:09
We were disappointed that the rocket didn't make a THOOOONK noise when it went into the tube, but we're setting up big loudspeakers for future launches to add the sound effect.