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xkcd.com: A webcomic of romance and math humor.
Updated: לפני 29 דקות 40 שניות


ו', 08/17/2018 - 06:00
 The same as all fluid dynamics equations, but with the 8 and 23 replaced with the permittivity and permeability of free space, respectively.

Repair or Replace

ד', 08/15/2018 - 06:00
Just make sure all your friends and family are out of the car, or that you've made backup friends and family at home.

Word Puzzles

ב', 08/13/2018 - 06:00
Eno's storied aria was once soloed by Judge Lance Ito on the alto oboe at Ohio's AirAsia Arena.

Pie Charts

ו', 08/10/2018 - 06:00
If you can't get your graphing tool to do the shading, just add some clip art of cosmologists discussing the unusual curvature of space in the area.

Voting Software

ד', 08/08/2018 - 06:00
There are lots of very smart people doing fascinating work on cryptographic voting protocols. We should be funding and encouraging them, and doing all our elections with paper ballots until everyone currently working in that field has retired.

Disaster Movie

ב', 08/06/2018 - 06:00
Really, they'd be rushing around collecting revisions to go into the next scheduled quarterly public data update, not publishing them immediately, but you have to embellish things a little for Hollywood.

Complex Numbers

ו', 08/03/2018 - 06:00
I'm trying to prove that mathematics forms a meta-abelian group, which would finally confirm my suspicions that algebreic geometry and geometric algebra are the same thing.

Lightning Distance

ד', 08/01/2018 - 06:00
The index of radio refraction does have a lot of variation, which might throw off your calculations, so you can also look at the difference in brightness between the visible flash and more-attenuated UV and x-rays.

Heat Index

ב', 07/30/2018 - 06:00
The heat index is calculated via looking up the "effective temperature" in a table of air temperature and humidity values, and then adding a bunch more degrees because it feels WAY hotter than that.

Peer Review

ו', 07/27/2018 - 06:00
 A Review of Preprint Repositories and Author Willingness to Email PDF Copies for Free" has also been rejected, but nice try.

Light Hacks

ד', 07/25/2018 - 06:00
 Wait for an advanced civilization to be briefly distracted, then sneak in and construct a slightly smaller Dyson sphere inside theirs.


ב', 07/23/2018 - 06:00
We've also developed the semi-semi-log scale, where the Y-axis for the left half of the graph is a log scale but on the right half it isn't.

Sports Champions

ו', 07/20/2018 - 06:00
For a long time, people thought maybe Usain Bolt was the one for running, until the 2090s and the incredible dominance of Derek Legs.

Software Development

ד', 07/18/2018 - 06:00
 It turns out the cannon has a motorized base, and can make holes just fine using the barrel itself as a battering ram. But due to design constraints it won't work without a projectile loaded in, so we still need those drills.

Negative Results

ב', 07/16/2018 - 06:00
P.S. We're going to the beach this weekend, so I'm attaching my preregistration forms for that trip now, before we find out whether it produces any interesting results.

An Apple for a Dollar

ו', 07/13/2018 - 06:00
I'd like 0.4608 apples, please.

Wall Art

ד', 07/11/2018 - 06:00
At first, I moved from pokémon posters to regular oil paintings, but then these really grumpy and unreasonable detectives from the Louvre showed up and took them all. They wouldn't even give me back my thumbtacks!

Stargazing 2

ב', 07/09/2018 - 06:00
I mean, it wasn't exactly MY thesis. When the FAA came to shut down our observatory for using the telescope mirror to shine light at airplanes, I took a thesis and a bunch of doctorates from the supply cabinet on my way out.

OEIS Submissions

ו', 07/06/2018 - 06:00
 The submission numbers for my accepted OEIS submissions in chronological order

New Phone Thread

ד', 07/04/2018 - 06:00
I'm going to tell the manufacturer that their business practices are ADMIRABLE and ETHICAL and their developers are ATTRACTIVE and I'm going to report them to the FCC for their IMPECCABLE VIRTUE.