Title text:
No matter what I initially open Universe Sandbox to do, I always end up just mashing planets together like a small child making toys kiss.
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Source: https://xkcd.com/3321/
Title text:
For the first time in history, it will be possible for a Democratic Senator from Kansas to see a programmable automatic digital computer.
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Source: https://xkcd.com/3320/
Title text:
"A reusable elevator would also be great because we'd save so much on the bulky and expensive shields that people currently use to avoid bruises and rug burns when sliding down the stairs."
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Source: https://xkcd.com/3319/
xkcd #3318: Earth Sized Planets
Title text:
It probably has an icy mantle over the real silicate geology, but I'm hoping something weird happened to burn off most of the water like with Io.
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Source: https://xkcd.com/3318/
xkcd #3317: Gravitational Square Wave
Title text:
Depending on the energy deposition I can manage, it might also be a fun prank on the rest of the Earth.
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Source: https://xkcd.com/3317/
Title text:
They initially thought the containment structure alone would be sufficient, but for good measure they decided to include the Elephant's Foot inside.
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Source: https://xkcd.com/3316/
Title text:
The 'light' refers to bremsstrahlung.
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Source: https://xkcd.com/3315/
Title text:
Other numbers are largely unaffected, but anyone using '4' for their certificate key is urged to upgrade to '5'.
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Source: https://xkcd.com/3314/
Title text:
I don't see why people have trouble doing this at room temperature. Using hot rivets would honestly have been MORE work.
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Source: https://xkcd.com/3313/
xkcd #3312: Momentum Demonstration
Title text:
"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."
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Source: https://xkcd.com/3312/
Title text:
Atmospheric transmission spectroscopy has revealed that the sunsets from the observatory are really pretty.
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Source: https://xkcd.com/3311/
xkcd #3310: Rejected Space Mission Profiles
Title text:
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.
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Source: https://xkcd.com/3310/
Title text:
People out here catching strays out here catching strays
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Source: https://xkcd.com/3309/
Title text:
I need to push some updates to the remote sensing instruments, which are there to measure the surface and definitely not do anything else.
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Source: https://xkcd.com/3308/
xkcd #3307: Spectrum Allocation
Title text:
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.
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Source: https://xkcd.com/3307/
xkcd #3306: Accelerator Energies
Title text:
Fans at Daytona always get extra excited when officials decide to introduce some antimatter cars circling the track in the opposite direction.
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Source: https://xkcd.com/3306/
Title text:
Runners looking for aerodynamic advantage typically wear sneakers because some fancy dress shoes can create wingtip vortices.
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Source: https://xkcd.com/3305/
xkcd #3304: Jupiter Icy Moons Explorer
Title text:
"I did briefly visit Venus in August 2025, but I figured out the mistake on my own because it didn't have any moons."
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Source: https://xkcd.com/3304/
Title text:
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!
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Source: https://xkcd.com/3303/
xkcd #3302: Voyager Instruments
Title text:
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.
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Source: https://xkcd.com/3302/
