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A while back, I mentioned one of the exhibits I remembered from a childhood visit to the Los Angeles Museum of Science and Industry (now the California Science Center) in the 1980s:

…a multi-screen cartoon about energy sources and engine types called “The Water Engine.” (Each screen has a character talking up internal combustion, flywheels, mag-lev, electric, etc. I still quote the Peter Lorre-inspired fuel-cell scientist saying “And then…we burn the hydrogen!”)

At the end, the scientist tries repeatedly to ignite the hydrogen while everyone else watches nervously, then starts hiding behind obstacles or off-screen before the inevitable explosion bursts across all the screens. Then they all climb out of their hiding spots and agree that this would be really cool once the kinks are worked out, but it’s not there yet.

Brooke brought it up on Mastodon last month and I decided to go looking for it again. In 2017 there was nothing I found to show it even existed. In 2024 the only thing she could find at first was…my blog post from 2017. Which I’d forgotten writing. 🤦‍♂️ I kept looking, and found a brief note that it was later shown at EPCOT, with a link to a long-dead page that had been archived in 2002 containing some extremely tiny screenshots!

9 tiny cartoon screens in a grid: You can just barely make out a cowboy, a child with a large tricycle-like assembly, a football coach, a miner with a hard hat, some old, yellowed parchment with a sketch on it, someone carrying an axle with wheels, a large lab flask filled with water, an old man holding up a picture of a horse, and someone in a superhero outfit standing on a row of horseshoe magnets.
Rescued from a long-dead web page via the Internet Archive.

Adding EPCOT to my search eventually turned up an extremely sparse IMDB entry and…*drumroll please* someone’s home camcorder video of the whole presentation!

It does exist! It wasn’t a shared hallucination! The fuel cell scientist (who extracts the hydrogen from water, hence the title) does sound like Peter Lorre! He does indeed say the line that my family still quotes decades later! And it does indeed explode across the whole display!

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Today I found myself thinking of Terminator 3, specifically the plotline in which all kinds of random computer crashes are spreading across the internet.

For obvious reasons.

In today’s real world incident, it’s a bug in an auto-pushed update for widely-used security software by CrowdStrike, ironically used to protect mission-critical systems. In the two-decade-old movie (pardon me while I turn to dust), it’s Skynet spreading itself across the internet.

At the time, I thought the nuclear strike would wipe out a lot of internet infrastructure, destroying major nodes and leaving pieces of Skynet disconnected from each other. A commenter remarked that he’d been doing research for a novel and experts agreed that enough of the major nodes and infrastructure would survive the attack to keep the network functioning.

The interesting thing: Neither of us had heard the story that ARPANET (the internet’s predecessor) had been designed for that scenario. These days, it’s pretty much repeated as gospel… but apparently it wasn’t a design goal, and the idea that it was can be traced back to a 1991 article in Network World magazine that conflated ARPANET with a different network design, which was never actually built. (via)

From there it took on a life of its own for the same reason many urban legends (and conspiracy theories) do: it made a better story.

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A red-brown brick wall. Two sets of windows are upstairs, and a door downstairs. Next to the door is a painted silhouette of a man pulling his outer shirt open and revealing the Superman symbol beneath it. The window above it has a scratched-up painted figure of Spider-Man stepping out of the window. On the sidewalk below, a (real) woman walks by.

I recently found myself in Culver City and spotted a familiar-looking wall. Not because I’d been there often, but because I remember seeing it from the passenger seat of a co-worker’s car over a decade ago as we drove past on the way to…lunch? A bakery? I can’t quite remember. But I do remember Spider-Man climbing out of the upper window, and Superman changing in a painted phone booth. And I remembered having seen other signs of a comic shop in the building at the time, and the sense that I’d snapped a photo with my phone.

The same wall. The door's different, the paint on the Spider-Man figure is in better condition, and there's less graffiti around Superman, and there's a drainpipe next to the windows. You can see the reflection of someone holding up a phone because I didn't open the window, but otherwise not much has changed.As it happens, I’m enough of a digital pack rat that I was able to find the older photo in less than 15 minutes! The photo itself didn’t reveal anything new, but I’d named the file “Dreamworld Comics.jpg,” which gave me somewhere to start.

Weirdly enough, when I found the current website and Yelp entry, the address looked the same as the one visible on the door…but it was definitely a different building.

It turns out they moved down the street several years back. From 12402 Washington Boulevard to 12402 Washington Place. If I’d gone one block north I would have seen the current store!

Google Street View shows them in the corner storefront back in 2008 and 2012, so when I snapped the photo in 2011, I would have seen the name a few seconds later.

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“Here’s a metaphor to help you get a sense for how this complicated thing functions.”

“But it’s not really doing that!”

“That’s why it’s a metaphor, not a description.”

…

“Here’s an explanation in layman’s terms.”

“No, that’s wrong, that term only means this specific thing when used in the relevant technical jargon.”

“I’m not speaking to people who use the jargon, I’m speaking to the general public, who use the term in a much broader sense than you do.”

…

And then there’s the flip side:

“I learned this thing was simple. These edge cases can’t possibly exist.”

“You learned the simplified version. The real thing is more complicated.”

…

As the saying goes, The map is not the territory. The map isn’t complete, but that doesn’t make it wrong either, as long as you don’t insist that the real things that aren’t on your map must not be there.