Luckily, the range is limited by the fact that the square boundary lines follow great circles.
Chessboard Alignment
https://xkcd.com/3177/
Luckily, the range is limited by the fact that the square boundary lines follow great circles.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3177
06.12.2025 02:39 β π 4 π 0 π¬ 0 π 0
Some tires are marketed as 'all-shape tires,' but if driven in a climate with both inverted catenary falls and triangle falls, they wear out really fast.
Inverted Catenaries
https://xkcd.com/3176/
Some tires are marketed as 'all-shape tires,' but if driven in a climate with both inverted catenary falls and triangle falls, they wear out really fast.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3176
04.12.2025 02:06 β π 4 π 1 π¬ 0 π 0
Tired of waiting on hold? Use our website to chat with one of our live agents, who are available to produce words at you 24/7!
Website Task Flowchart
https://xkcd.com/3175/
Tired of waiting on hold? Use our website to chat with one of our live agents, who are available to produce words at you 24/7!
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3175
01.12.2025 20:04 β π 17 π 2 π¬ 0 π 0
A lot of the highway department's budget goes to adjusting the sign whenever the moon passes directly overhead.
Bridge Clearance
https://xkcd.com/3174/
A lot of the highway department's budget goes to adjusting the sign whenever the moon passes directly overhead.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3174
28.11.2025 21:30 β π 7 π 1 π¬ 0 π 0
Every weekend I take an ATV out into the desert and spend a day tracing a faint "(C) GOOGLE 2009" watermark across the landscape.
Satellite Imagery
https://xkcd.com/3173/
Every weekend I take an ATV out into the desert and spend a day tracing a faint "(C) GOOGLE 2009" watermark across the landscape.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3173
26.11.2025 20:58 β π 10 π 3 π¬ 0 π 0
"Want to feel old?" "Yes."
Fifteen Years
https://xkcd.com/3172/
"Want to feel old?" "Yes."
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3172
24.11.2025 21:26 β π 36 π 16 π¬ 1 π 6
If you drill at the right angle and time things perfectly, your core sample can include a section of a rival team's coring equipment.
Geologic Core Sample
https://xkcd.com/3171/
If you drill at the right angle and time things perfectly, your core sample can include a section of a rival team's coring equipment.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3171
21.11.2025 23:11 β π 9 π 5 π¬ 0 π 0
Now, if it were the *Canon* wiki, it's possible to imagine someone with a productivity-related reason for consulting it, but no one's job requires them to read that much about Admiral Daala.
Service Outage
https://xkcd.com/3170/
Now, if it were the *Canon* wiki, it's possible to imagine someone with a productivity-related reason for consulting it, but no one's job requires them to read that much about Admiral Daala.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3170
20.11.2025 02:09 β π 10 π 1 π¬ 0 π 0
'Oh no, the box is drifting out into the harbor!' 'Yeah, I wouldn't worry about losing it.'
EPIRBs
https://xkcd.com/3169/
'Oh no, the box is drifting out into the harbor!' 'Yeah, I wouldn't worry about losing it.'
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3169
17.11.2025 23:06 β π 7 π 1 π¬ 0 π 0
We're adding some industrial flypaper to minimize reflection or scattering of customers who might complain.
Beam Dump
https://xkcd.com/3168/
We're adding some industrial flypaper to minimize reflection or scattering of customers who might complain.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3168
14.11.2025 22:33 β π 10 π 2 π¬ 0 π 0
'They really shouldn't let those small cars drive in traffic. I worry I'm going to kill someone if I hit one! They should have to drive on the sidewalk, safely out of the way.'
Car Size
https://xkcd.com/3167/
'They really shouldn't let those small cars drive in traffic. I worry I'm going to kill someone if I hit one! They should have to drive on the sidewalk, safely out of the way.'
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3167
12.11.2025 20:00 β π 32 π 14 π¬ 0 π 0
Are you the annoying spoon or the sleepy spoon?
Big and Little Spoons
https://xkcd.com/3166/
Are you the annoying spoon or the sleepy spoon?
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3166
11.11.2025 01:28 β π 7 π 2 π¬ 0 π 0
At least people who make religious predictions of the apocalypse have an answer to the question 'Why didn't you predict any of the other ones that happened recently?'
Earthquake Prediction Flowchart
https://xkcd.com/3165/
At least people who make religious predictions of the apocalypse have an answer to the question 'Why didn't you predict any of the other ones that happened recently?'
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3165
08.11.2025 02:13 β π 4 π 2 π¬ 0 π 0
The package weighs 7 kg 9 oz.
Metric Tip
https://xkcd.com/3164/
The package weighs 7 kg 9 oz.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3164
05.11.2025 21:11 β π 7 π 1 π¬ 0 π 1
The statue should be in the likeness of whatever sculptor posted the sculpting tool repair video that was most helpful during the installation of the statue.
Repair Video
https://xkcd.com/3163/
The statue should be in the likeness of whatever sculptor posted the sculpting tool repair video that was most helpful during the installation of the statue.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3163
03.11.2025 23:38 β π 22 π 2 π¬ 0 π 0
Even geology papers about Heart Mountain are like, "Look, we all agree this 'volcanic gas earthquake hovercraft' thing seems like it can't possibly be right, but..."
Heart Mountain
https://xkcd.com/3162/
Even geology papers about Heart Mountain are like, "Look, we all agree this 'volcanic gas earthquake hovercraft' thing seems like it can't possibly be right, but..."
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3162
01.11.2025 00:35 β π 7 π 1 π¬ 0 π 0
Carefully maneuvering the balloon down a mineshaft in an effort to break the OTHER altitude record
Airspeed
https://xkcd.com/3161/
Carefully maneuvering the balloon down a mineshaft in an effort to break the OTHER altitude record
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3161
29.10.2025 21:32 β π 8 π 2 π¬ 0 π 1
It comes with a certificate of authenticity, which comes with a certificate of authenticity, which comes with a...
Document Forgery
https://xkcd.com/3160/
It comes with a certificate of authenticity, which comes with a certificate of authenticity, which comes with a...
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3160
27.10.2025 21:30 β π 10 π 2 π¬ 0 π 0
The inflection point was probably in late 1966 or 1967, so when Neil Armstrong flew to space on Gemini 8, plate tectonics was not widely accepted, but when he landed on the Moon three years later it was the mainstream consensus.
Continents
https://xkcd.com/3159/
(alt-text too long for a BlueSky message, see image alt-text instead)
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3159
24.10.2025 13:56 β π 9 π 1 π¬ 0 π 1
Sharks can occasionally travel short distances through air when pursuing prey, but their attenuation coefficient is pretty high.
Shielding Chart
https://xkcd.com/3158/
Sharks can occasionally travel short distances through air when pursuing prey, but their attenuation coefficient is pretty high.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3158
23.10.2025 01:55 β π 11 π 3 π¬ 0 π 0
Many things about Star Wars were not well planned out, but having a 37-year-old in old-age makeup play the Emperor in Return of the Jedi was such an incredible call.
Emperor Palpatine
https://xkcd.com/3157/
Many things about Star Wars were not well planned out, but having a 37-year-old in old-age makeup play the Emperor in Return of the Jedi was such an incredible call.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3157
20.10.2025 21:51 β π 8 π 3 π¬ 0 π 0
If you don't know where you are on Earth, the angle of satellite dishes can help constrain your latitude. If some of them are pointing straight up, you're probably near the Equator, right under the ring.
Planetary Rings
https://xkcd.com/3156/
(alt-text too long for a BlueSky message, see image alt-text instead)
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3156
17.10.2025 16:17 β π 9 π 3 π¬ 0 π 1
If nothing else, that reasoning definitely overturns syllogisms.
Physics Paths
https://xkcd.com/3155/
If nothing else, that reasoning definitely overturns syllogisms.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3155
15.10.2025 20:15 β π 17 π 2 π¬ 0 π 1
When Galileo dropped two weights from the Leaning Tower of Pisa, they put him in the history books. But when I do it, I get 'detained by security' for 'injuring several tourists.'
Physics Insight
https://xkcd.com/3154/
When Galileo dropped two weights from the Leaning Tower of Pisa, they put him in the history books. But when I do it, I get 'detained by security' for 'injuring several tourists.'
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3154
13.10.2025 13:42 β π 13 π 3 π¬ 0 π 0
Despite a reputation for safety, the temperatures and surprisingly high pressures make them even more dangerous than the air kind, but the NTSB refuses to investigate accidents because they insist there is no 'transportation' involved.
Hot Water Balloon
https://xkcd.com/3153/
(alt-text too long for a BlueSky message, see image alt-text instead)
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3153
10.10.2025 20:49 β π 7 π 0 π¬ 1 π 0
I understand it's hard to do more than 300 feet on these 90-second rush jobs, but with a smaller ramp I'm worried the gee forces will be too high for me to do any tricks.
Skateboard
https://xkcd.com/3152/
I understand it's hard to do more than 300 feet on these 90-second rush jobs, but with a smaller ramp I'm worried the gee forces will be too high for me to do any tricks.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3152
09.10.2025 01:17 β π 4 π 0 π¬ 0 π 0
The Nobel Prize in Physiology or Medicine or Home Improvement or DIY
Window Screen
https://xkcd.com/3151/
The Nobel Prize in Physiology or Medicine or Home Improvement or DIY
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3151
07.10.2025 03:15 β π 7 π 0 π¬ 0 π 0
Progress on getting shipwrecked sailors to adopt ICMPv6 has been slow.
Ping
https://xkcd.com/3150/
Progress on getting shipwrecked sailors to adopt ICMPv6 has been slow.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3150
03.10.2025 17:11 β π 5 π 1 π¬ 0 π 0
"Measure zero times, cut zero times." --carpenter who has achieved enlightenment and realized the wood is fine where it is
Measure Twice, Cut Once
https://xkcd.com/3149/
"Measure zero times, cut zero times." --carpenter who has achieved enlightenment and realized the wood is fine where it is
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3149
02.10.2025 00:40 β π 16 π 3 π¬ 0 π 0
I'm trying to share my footage of the full run to prove it's not tool-assisted, but the uploader has problems with video lengths of more than a decade.
100% All Achievements
https://xkcd.com/3148/
I'm trying to share my footage of the full run to prove it's not tool-assisted, but the uploader has problems with video lengths of more than a decade.
Explain xkcd: https://www.explainxkcd.com/wiki/index.php/3148
30.09.2025 03:03 β π 25 π 7 π¬ 0 π 1