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

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Fault Taunting

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

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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.

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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.

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Handedness

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

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Geology Class

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

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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.

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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."

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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.

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xkcd store reopening

store.xkcd.com/

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

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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.

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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.

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Particle Physics Equipment

The one that sounds like the oracle at the center of the galaxy where the hero travels to hear a prophecy is probably Brookhaven National Laboratory's now-dismantled COSMOTRON.

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Accretionary Arc

The late Triassic rifting was caused by a dinosaur trying to use the control panel to escape a predator, but it was eaten before the continent could fully separate.

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Geology Building

The administration thinks it's weird, but the geologists say it looks normal.

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Size and Lifespan

With their 13 years recording and performing together and two humans worth of mass, the White Stripes are sandwiched neatly between gray wolves and blue whales.

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Trick Play

I've been trying to find out whether the Laws of the Game take the axiom of choice or not, but FIFA officials keep blocking my number.

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Antiques Roadshow

The family lore was that we've had it ever since it was ejected from a star-forming gas cloud, but it seems more likely that my great-grandparents probably just bought it while on vacation in the galactic thin disk.

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Maze

As a side effect of the research, mice are now the only known animals other than humans to have developed a Backrooms mythology.

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Main Span

Wind stress? Don't be silly. When has wind stress ever been a problem for a suspension bridge?

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Vera Rubin Observatory

'Spurious signals from the kitchen' is harder for an optical telescope than a radio one, but with enough determination and creativity, I believe it's possible.

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Forth

I NOTATION POLISH REVERSE ❤️

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Recursive Trucker's Hitch

As if the americium smoke detector incident wasn't enough, now nuclear regulators have ANOTHER reason to worry about the Boy Scouts.

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Calibration Nobel

We would like to once again apologize to Dr. Jones for last year's mistaken announcement. We should really have double-checked the envelope for this award in particular.

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Arthurian Connector

Most coffee shops have a descendant of Sophia of Hanover on staff for this, but just as I was about to ask for help, a previously unknown heir of Uther Pendragon who was ordering a muffin tripped on my laptop cord.

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Latitude and Longitude

NGS and IERS are complaining that they left CLEAR instructions to set the washing machine to WGS84 (G2296) instead of WGS84 (G730).

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Time Change

All discussions of daylight saving time policy are doomed by a mix of contradictory, inconsistent, and impossible preferences, which is why I think the only thing we can really hope to do is to make it worse.

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The Princess and the Pea

Once we've fully explored this space, we can start varying the number of princesses.

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Toasting Marshmallows

We have two 'in case of fire, break glass' boxes, which you pick between based on how big of a problem the fire is. One has an extinguisher, and one has sticks, marshmallows, graham crackers, and chocolate.

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Airport Meeting

Although it was a setback for physics, I'm glad the particle naming rights issue led to the cancelation of Pizza Hut's Superconducting Super Collider in the early 90s, so the Double Stuffed Extra Cheese Topping Quark ended up just being named 'top quark.'

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Offside

The arbiter gave my knight a red card for capturing with cleats up :(