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Received yesterday — 16 October 2026 ⏭ xkcd.com

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Momentum Demonstration 16 October 2026 at 02:00

Momentum Demonstration

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16 October 2026 at 02:00

"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."

Received — 15 October 2026 ⏭ xkcd.com

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Planet Database 14 October 2026 at 02:00

Planet Database

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14 October 2026 at 02:00

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

Received — 13 October 2026 ⏭ xkcd.com

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Rejected Space Mission Profiles 12 October 2026 at 02:00

Rejected Space Mission Profiles

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12 October 2026 at 02:00

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.

Received — 9 October 2026 ⏭ xkcd.com

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Dogcatcher 9 October 2026 at 02:00

Dogcatcher

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9 October 2026 at 02:00

People out here catching strays out here catching strays

Received — 7 October 2026 ⏭ xkcd.com

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Juice 7 October 2026 at 02:00

Juice

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7 October 2026 at 02:00

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

Received — 6 October 2026 ⏭ xkcd.com

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Spectrum Allocation 5 October 2026 at 02:00

Spectrum Allocation

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5 October 2026 at 02:00

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.

Received — 3 October 2026 ⏭ xkcd.com

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Accelerator Energies 2 October 2026 at 02:00

Accelerator Energies

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2 October 2026 at 02:00

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

Received — 1 October 2026 ⏭ xkcd.com

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Ground Effect 30 September 2026 at 02:00

Ground Effect

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30 September 2026 at 02:00

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

Received — 29 September 2026 ⏭ xkcd.com

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Jupiter Icy Moons Explorer 28 September 2026 at 02:00

Jupiter Icy Moons Explorer

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28 September 2026 at 02:00

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

Received — 25 September 2026 ⏭ xkcd.com

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Slab Graveyard 25 September 2026 at 02:00

Slab Graveyard

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25 September 2026 at 02:00

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!

Received — 24 September 2026 ⏭ xkcd.com

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Voyager Instruments 23 September 2026 at 02:00

Voyager Instruments

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23 September 2026 at 02:00

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.

Received — 22 September 2026 ⏭ xkcd.com

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Stargazing 5 21 September 2026 at 02:00

Stargazing 5

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21 September 2026 at 02:00

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.

Received — 19 September 2026 ⏭ xkcd.com

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Tyrannosaurus 18 September 2026 at 02:00

Tyrannosaurus

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18 September 2026 at 02:00

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

Received — 16 September 2026 ⏭ xkcd.com

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Summer 16 September 2026 at 02:00

Summer

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16 September 2026 at 02:00

You should probably get back to shore before spring hits.

Received — 15 September 2026 ⏭ xkcd.com

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Aerospace Flowchart 14 September 2026 at 02:00

Aerospace Flowchart

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14 September 2026 at 02:00

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

Received — 11 September 2026 ⏭ xkcd.com

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OH Scale 11 September 2026 at 02:00

OH Scale

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11 September 2026 at 02:00

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

Received — 9 September 2026 ⏭ xkcd.com

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Fault Taunting 9 September 2026 at 02:00

Fault Taunting

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9 September 2026 at 02:00

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

Received — 8 September 2026 ⏭ xkcd.com

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Semaphore 7 September 2026 at 02:00

Semaphore

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7 September 2026 at 02:00

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.

Received — 4 September 2026 ⏭ xkcd.com

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Asteroid Mission 4 September 2026 at 02:00

Asteroid Mission

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4 September 2026 at 02:00

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.

Received — 3 September 2026 ⏭ xkcd.com

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Handedness 2 September 2026 at 02:00

Handedness

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2 September 2026 at 02:00

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