How to survive the apocalypse | Ada, Ep. 1

9,458 views ・ 2025-01-30

TED-Ed


Please double-click on the English subtitles below to play the video.

00:00
Hi, I’m Ada.
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In this series, I tackle some of life’s pressing existential questions,
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like “what’s the best way to survive the apocalypse?”
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Do you ever look around and think,
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how is everyone just going about their business
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when there are so many ways the world could end?
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I want to shake them.
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Not that they'd listen to me.
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Not yet at least.
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Oh! Good morning.
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Oh, sorry.
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You must be Ada, our new clerical assistant.
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01:00
You’re late.
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Three minutes.
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Let me show you around.
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Um, I, uh, this library is amazing.
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Um, you know, I basically lived in a library
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when I was writing my philosophy thesis on—
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You’ll sit at reception and help patrons with the Wi-Fi password
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or returning a book, things like that.
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Anything more complicated, you come get me.
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And when there are no patrons, there’s plenty to keep you busy.
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Every minute that passes, you could spend doing something.
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Something important, or more important than this, at least.
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But you also have to work, and eat, and sleep, and pair socks,
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and make other tiny attempts to exert order on the chaos of the universe.
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Excuse me, could you help me find these books?
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Hmm. Biochemistry, Saccharomyces cerevisiae life cycle.
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You must be a scientist.
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A former scientist. I was a nuclear physicist.
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Now I brew craft beer.
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But why?
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Brewing beer is the perfect blend of art and science.
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And after years tucked away in a lab, I wanted to do something real,
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something tangible.
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I love being able to see the joy on someone’s face when they taste my beer.
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Ah, okay, I’m just gonna say it.
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We— I mean we, humanity— always seem to be just around the corner from catastrophe,
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and you had the chance to actually do something about that and chose not to.
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I’m... I’m sorry?
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How much joy do you think craft beer will bring
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when we’re trying to survive the apocalypse?
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Um, well, I’m not sure I’d want to survive the apocalypse, as you put it.
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I mean, think for a second what it would actually be like to lose almost everyone
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and everything you care about.
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But it wouldn't necessarily be like that.
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Yes, you would lose a lot.
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But even in a truly global catastrophe,
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there would almost certainly be places where most people
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and infrastructure survive.
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And have what kind of life, though?
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So, say our town survives.
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We have a lot of luxuries— bars, and coffee shops,
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and souvenir stores selling magic crystals.
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Hey, sounds like I'll need protection from negative energy more than ever.
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Mhm.
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Without the interconnected global systems we relied on,
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we’ll have to find ways to produce food, medicines, electricity, fuel,
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and clean water locally.
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Our best bet to survive in the long run
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is to collaborate— within our town, of course—
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but also with whatever other survivors we can contact.
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Hey! Everyone! We need to ration our food until we can call for help— hey!
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She wants to invite outsiders in to take our food!
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No, that’s not what I said—
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(Crowd booing)
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Look around. People are desperate.
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Even if other survivors don’t raid us, I doubt they’ll help.
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Especially when we have nothing to give in return.
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Electricity, then. Let's work on that.
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Getting the nearest power plant back up and running will be a massive effort.
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Hey, people, listen to me! Everyone listen, I—
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(Crowd booing)
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Guys, electricity will make things so much better.
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We’ll do it for ourselves. Not to contact other people.
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Right?
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Ugh, it runs on coal.
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Actually, fossil fuels are easier to use than more advanced technologies.
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So you’re proposing mining for coal?
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That doesn't sound easy.
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No, but there are other things we can burn in a coal plant.
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We've got lots of wood which we can use to make charcoal,
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which is more compact and burns way hotter than wood.
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It’s not as efficient as coal, but it’s the best option we have.
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To fuel the power plant and get the local grid back on,
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we’re going to need a lot of charcoal.
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No one will get any electricity unless everyone works together.
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Okay, okay. There are ways to get a little electricity with a lot less fuel.
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They’ll thank me later.
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The internet?
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Cellular data?
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Ugh. Even landlines rely on physical infrastructure
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that seems like it’s all been disrupted.
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Hmm. Okay, so how can I get a message out?
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Well, radios pick up signals in the air.
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You can make a simple radio that doesn't even need electricity pretty easily.
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In World War Two, prisoners of war scavenged the materials to make them.
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Any old wire will work as an aerial.
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It’ll pick up the electromagnetic fields of passing radio waves.
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Lots of common substances can complete the receiver
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and make messages intelligible, including...
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a number of crystals.
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It's for the best.
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(Radio static)
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The Svalbard Seed Vault has hundreds of millions of seeds...
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on an island in the Arctic Circle.
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Apparently, seaweed is a good food source,
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but we’re nowhere near the sea.
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Whoa! Paper mills can be retrofitted to process wood into food.
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They break down wood in big vats.
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Then, instead of making the pulp into cardboard or paper,
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they use enzymes to convert the cellulose into edible sugar.
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Okay, focus.
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We don’t have a paper mill, but we have plenty of wood.
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Hello? Can you hear me? We can trade wood for— hey!
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We don’t want outsiders flocking to our town!
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I'll find out who stole my stolen generator and steal it back.
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We're distilling alcohol to use for antiseptic and fuel.
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A big vat for grinding things up.
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It’s not a paper mill, but it’s similar.
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We retrofit every one of these breweries in town for the hottest new trend.
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Converting wood and cardboard into lignocellulosic sugar
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for a sweet flavor with notes of avoiding death by starvation.
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You know, with some additional equipment,
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these breweries could produce electricity from their byproducts.
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And who will manufacture that equipment?
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We need a wider range of skills than people in this town have.
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Other survivors are probably afraid to make contact, too.
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Someone has to go first.
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What was that about needing different skill sets?
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Fine. Yes, I admit it— a brewer could help people after a global catastrophe.
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But that doesn’t mean it’s better to become a craft brewer
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than a nuclear physicist.
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Maybe not, but in this scenario you’re imagining,
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it might be more useful to be a car mechanic or a library assistant
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than a nuclear physicist.
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You don’t really know, do you?
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No, I don’t.
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But I do know that everything we talked about would be even more useful
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if we worked on it now, before a catastrophe.
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We could keep fossil fuels in the ground.
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We could set up long range radio systems that don't rely on infrastructure.
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Make power grids more robust, and work on technologies to feed people.
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We could even make practical knowledge manuals and,
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I don’t know, put them in libraries.
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Ada, isn’t this something else you should be doing?
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Yes, that’s what I’m saying! The question is what, exactly?
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The books, Ada! Get him the books.
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I apologize for the holdup.
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Oh, I don't mind. I've learned to cherish every moment.
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See you tomorrow.
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Something to aspire to.
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