xkcd.com

xkcd.com: A webcomic of romance and math humor.

Public lists: davewiner/blogroll
Fetched: 18:39

xkcd.com
24 Oct 01:42

Forms of Water

The 'light' refers to bremsstrahlung.

xkcd.com
21 Oct 13:36

Vulnerability

Other numbers are largely unaffected, but anyone using '4' for their certificate key is urged to upgrade to '5'.

Fusion Device

I don't see why people have trouble doing this at room temperature. Using hot rivets would honestly have been MORE work.

xkcd.com
16 Oct 12:36

Momentum Demonstration

"I'm doing really well on the Hertzsprung-Russell academic diagram, which has spectral class on one axis and Rate My Professors rating on the other."

xkcd.com
14 Oct 20:39

Planet Database

Atmospheric transmission spectroscopy has revealed that the sunsets from the observatory are really pretty.

xkcd.com
12 Oct 20:54

Rejected Space Mission Profiles

Although NASA agreed that Voyager 2 'seemed lonely' they decided against launching a companion orbiter mission after further measurements indicated that the spacecraft actually preferred the peace and quiet.

xkcd.com
09 Oct 20:39

Dogcatcher

People out here catching strays out here catching strays

xkcd.com
07 Oct 17:39

Juice

I need to push some updates to the remote sensing instruments, which are there to measure the surface and definitely not do anything else.

xkcd.com
05 Oct 22:54

Spectrum Allocation

Rumor has it that they're finally auctioning off the zeppelin navigation bands, but everyone is worried that the scary boat captains will express interest.

xkcd.com
03 Oct 00:42

Accelerator Energies

Fans at Daytona always get extra excited when officials decide to introduce some antimatter cars circling the track in the opposite direction.

xkcd.com
01 Oct 06:45

Ground Effect

Runners looking for aerodynamic advantage typically wear sneakers because some fancy dress shoes can create wingtip vortices.

xkcd.com
29 Sep 03:57

Jupiter Icy Moons Explorer

"I did briefly visit Venus in August 2025, but I figured out the mistake on my own because it didn't have any moons."

xkcd.com
25 Sep 16:36

Slab Graveyard

It's ok if you want to close close your eyes for the slab graveyard, so you can still have fun riding the mantle plume back up afterward!

xkcd.com
24 Sep 00:42

Voyager Instruments

Convincing him to turn off the stupid laser show and useless sound system was such a huge ordeal that no one has wanted to do it again.

xkcd.com
22 Sep 03:57

Stargazing 5

The sun and the moon appear the same size in the sky, even though in real life the sun is more than twice as big. Some call this lucky alignment coincidence; others say it's proof that sometimes things can be the same size.

xkcd.com
18 Sep 23:42

Tyrannosaurus

Many of the smaller dinosaurs seem to have largely preyed on housecats.

xkcd.com
16 Sep 21:39

Summer

You should probably get back to shore before spring hits.

xkcd.com
14 Sep 23:57

Aerospace Flowchart

Someday, we will find the problem that goes with this solution.

xkcd.com
11 Sep 17:39

OH Scale

To access distant parts of the project, I ended up building a regular-scale passenger train inside each rail.

xkcd.com
09 Sep 16:36

Fault Taunting

One of the first things they teach you is to NEVER play with the geology toy over a mantle hotspot.

xkcd.com
07 Sep 18:54

Semaphore

The speed of light in air is 50% faster than in fiber, but it's a challenge to get the arms to move fast enough to realize the latency advantage.

xkcd.com
04 Sep 16:36

Asteroid Mission

Lander, this is Houston. There's been a request that you turn clipping back on and instead set the mass to 1kg. The theorists believe that will be pretty funny.

xkcd.com
02 Sep 21:39

Handedness

A 'left-handed specialist' is a physicist who studies the weak interaction.

xkcd.com
31 Aug 18:54

Geology Class

The rise of AI review bombing tools threatens to take away a crucial source of experience for geology undergraduates.

xkcd.com
28 Aug 19:09

Launchpad

It does come at the cost of some launchpad expansions and increased fuel requirements, but that all comes out of the facility's budget.

xkcd.com
26 Aug 22:12

Trade

"You legs may have a comparative advantage at running, but we arms have a competitive advantage at swinging hammers, so unless you accept that we're the dominant limbs and stop hogging the oxygen, that running advantage won't be around for long."

xkcd.com
25 Aug 02:57

Highway Signs

Highway engineers like Planck units because, like the speed of light, the energy capacity of a typical car's gas tank is 1.

xkcd.com
21 Aug 20:39

xkcd store reopening

store.xkcd.com/

The xkcd store is back, with shirts, stickers, and posters for sale.

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xkcd.com
21 Aug 20:09

Archery Feat

Update: I would not have embarked on this powerscaling venture if I'd known how thoroughly Mark Twain was going to roast me.

xkcd.com
19 Aug 17:09

Perseids

Recently I've been watching the Daytime Perseids. I haven't seen a meteor from them yet, but the clouds are pretty and the snacks are good.