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

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Simple Machines

It's hard to decide which simple machine system to invest in. DeWalt makes a great lever and inclined plane, but I hear Milwaukee's wheel-and-axles are really good.

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Soniferous Aether

Imagine you could ride alongside a sound wave. It would probably be pretty cool, right? We're putting in a departmental budget request to buy a really fast plane so we can check it out.

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Husband and Wife

Borat came out twenty years ago this year--closer to the breakup of the Soviet Union than to today--but it honestly feels like it's been even longer, somehow.

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Border Message

Thanks to differences in logging regulations, the messages actually turned out to be visible from the air.

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Types of Board Game

I can't believe Candles of Vienna caved to commercial pressure and added the Goku expansion.

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Europa Missions

Before resurfacing, they promise to inspect the ice for any evidence of hockey-playing life.

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Make It Myself

It's not as big a loss as it looks, because now I have have leftover supplies, which will help me talk myself into doing this all over again with a new project!

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Countdown Standard

Anyone who is caught counting 'three ... two ... one ... zero ... GO!' will be punished with a lifetime of eating only ISO standard food samples.

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Lightning

Maybe you should wear one too? I guess I'm taller than you, so as long as I have one we're fine.

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Overton

I think I accidentally installed an Overton window in my bedroom. A few months ago, the sun wasn't in my face in the morning, but now it is.

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Grammar

Communication is one of the most popular ways to transmit information, ahead of rivals such as

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Day Counter

It has been −2,147,483,648 days since our last integer overflow.

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Creation

This xkcd.com update introduces a variety of new reading modes which can be activated through the menu.

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Home Solar

"While I try to do my part to destroy the environment, I try not to focus too much on individual responsibility. By pushing for broad policy changes, we can collectively do far more damage to the biosphere than any of us could on our own."

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Satellite Pollution

We're working to make sure the images are as up-to-date and accurate as possible, with a minimum number of sponsored galaxies.

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Centimeter Wavelengths

Yes, the cosmic microwave background is great, but what about the earthly microwave foreground?

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Inflation Timeline

Depending what corners of the internet you hang out on, 'regular' may at times awkwardly coexist with 'sexy.'

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Star Formation

It's ok, I still have some nice, cool gas clouds that aren't collapsing. As long as nothing ionizes them, I can continue to enjoy their ... HEY! NO!!!

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Landscape Features

'Well, there's speculation that it's due to a mantle hotspot.' --a geologist who's trying to cover up the fact that they didn't hear your question

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Rotational Gravity

I don't get it. The peak acceleration for passengers was WAY lower than in the giant-waterslide-loop-the-loop incident the other cruise line fired me for.

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Planets and Bright Stars

An old astronomer trick for distinguishing the Sun from other stars is to take multiple photos a few minutes apart and overlay them, making the Sun stand out due to its high proper motion.

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Subduction Retrieval

Aww, the oceanic crust and the continental crust are getting married!

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Home Remedies

As always, you are permitted to call one person for guidance, but that person must be a grandparent.

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Bazookasaurus

In contrast to the deep booming sound associated with the cannon in pop culture depictions, recent studies show it actually made more of a 'toot toot!' noise.

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Solar Warning

This replaces the previous solar activity watch, which was issued last month when the sun took off its sunglasses.

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Electric Vehicles

Now that I've finally gotten an electric vehicle, I'm never going back to an acoustic one.

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Dental Formulas

I mean, half of these are undefined. And your multiplication dots are too low; they look like decimal points.

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Little Red Dots

After a lot of analysis, I've determined that they're actually big red dots; they're just very far away.

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Amperage

Oh, and do you have any tips on how to vacuum up copper that's melted into your carpet?

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Eliminating the Impossible

'If you've eliminated a few possibilities and you can't think of any others, your weird theory is proven right' isn't quite as rhetorically compelling.