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  437. <h1>
  438. <span><a id="jumper" href="#jumpto" title="Un peu perdu ?">?</a></span>
  439. Collapse OS - Why? (archive)
  440. <time>Pour la pérennité des contenus liés. Non-indexé, retrait sur simple email.</time>
  441. </h1>
  442. <section>
  443. <article>
  444. <h3><a href="https://collapseos.org/why.html">Source originale du contenu</a></h3>
  445. <p>
  446. I expect our global supply chain to collapse before we reach 2030. With this
  447. collapse, we won't be able to produce most of our electronics because it
  448. depends on a very complex supply chain that we won't be able to achieve again
  449. for decades (ever?).
  450. </p>
  451. <p>
  452. The fast rate of progress we've seen since the advent of electronics happened
  453. in very specific conditions that won't be there post-collapse, so we can't hope
  454. to be able to bootstrap new electronic technology as fast we did without a good
  455. "starter kit" to help us do so.
  456. </p>
  457. <p>
  458. Electronics yield enormous power, a power that will give significant advantages
  459. to communities that manage to continue mastering it. This will usher a new age
  460. of <em>scavenger electronics</em>: parts can't be manufactured any more, but we
  461. have billions of parts lying around. Those who can manage to create new designs
  462. from those parts with low-tech tools will be very powerful.
  463. </p>
  464. <p>
  465. Among these scavenged parts are microcontrollers, which are especially powerful
  466. but need complex tools (often computers) to program them. Computers, after a
  467. couple of decades, will break down beyond repair and we won't be able to
  468. program microcontrollers any more.
  469. </p>
  470. <p>
  471. To avoid this fate, we need to have a system that can be designed from
  472. scavenged parts and program microcontrollers. We also need the generation of
  473. engineers that will follow us to be able to <em>create</em> new designs instead
  474. of inheriting a legacy of machines that they can't recreate and barely
  475. maintain.
  476. </p>
  477. <p>
  478. This is where Collapse OS comes in.
  479. </p>
  480. <h2>Open questions</h2>
  481. <h3>Futile?</h3>
  482. <p>
  483. This project is only relevant if the collapse is of a specific magnitude. A
  484. weak-enough collapse and it's useless (just a few fabs that close down, a
  485. few wars here and there, hunger, disease, but people are nevertheless able
  486. to maintain current technology levels). A big enough collapse and it's even
  487. more useless (who needs microcontrollers when you're running away from
  488. cannibals).
  489. </p>
  490. <p>
  491. But if the collapse magnitude is right, then this project will change the
  492. course of our history, which makes it worth trying.
  493. </p>
  494. <p>
  495. This idea is also fragile because it might not be feasible. It's difficult
  496. to predict post-collapse conditions, so the "self-contained" part might fail
  497. and prove useless to many post-collapse communities.
  498. </p>
  499. <p>
  500. But nevertheless, this idea seems too powerful to not try it. And even if it
  501. proves futile, it's a lot of fun to try.
  502. </p>
  503. <h3>32-bit? 16-bit?</h3>
  504. <p>
  505. Why go as far as 8-bit machines? There are some 32-bit ARM chips around that
  506. are protoboard-friendly.
  507. </p>
  508. <p>
  509. First, because I think there are more scavenge-friendly 8-bit chips around than
  510. scavenge-friendly 16-bit or 32-bit chips.
  511. </p>
  512. <p>
  513. Second, because those chips will be easier to replicate in a post-collapse fab.
  514. The z80 has 9000 transistors. 9000! Compared to the millions we have in any
  515. modern CPU, that's nothing! If the first chips we're able to create
  516. post-collapse have a low transistor count, we might as well design a system
  517. that works well on simpler chips.
  518. </p>
  519. <p>
  520. That being said, nothing stops the project from including the capability of
  521. programming an ARM or RISC-V chip.
  522. </p>
  523. <h3>Prior art</h3>
  524. <p>
  525. I've spent some time doing software archeology and see if something that was
  526. already made could be used. There are some really nice and well-made programs
  527. out there, such as CP/M, but as far as I know (please, let me know if I'm wrong,
  528. I don't know this world very well), these old OS weren't made to be
  529. self-replicating. CP/M is now open source, but I don't think we can recompile
  530. CP/M from CP/M.
  531. </p>
  532. <p>
  533. Then comes the idea of piggy-backing from an existing BASIC interpreter and
  534. make a shell out of it. Interesting idea, and using Grant Searle's modified
  535. nascom basic would be a good starting point, but I see two problems with this.
  536. First, the interpreter is already 8k. That's a lot. Second, it's
  537. copyright-ladden (by Searle *and* Microsoft) and can't be licensed as open
  538. source.
  539. </p>
  540. <p>
  541. Nah, maybe I'm working needlessly, but I'll start from scratch. But if someone
  542. has a hint about useful prior art, please let me know.
  543. </p>
  544. <h3>On what basis do you believe that a collapse of the global supply chain is
  545. probable by 2030?</h3>
  546. <p>
  547. First of all, this is a belief, not knowledge. Science cannot prove that we
  548. are likely to collapse. Science cannot prove that we are unlikely to collapse.
  549. </p>
  550. <p>
  551. What made me turn to the "yup, we're fucked" camp was "Comment tout peut
  552. s'effondrer" by Pablo Servigne, Éditions du Seuil, 2015. It's not perfect,
  553. but is a very good introductory book, well written, pleasing to read (except for
  554. the existential sinking feeling). For french-impaired fellows, you can look
  555. Servigne up on youtube, some of his talks are subtitled in english. Otherwise,
  556. you can also learn french. Then, from that read, you simply tumble down the
  557. rabbit's nest.
  558. </p>
  559. <p>
  560. That being said, I don't consider it unreasonable to not believe that collapse
  561. is likely to happen by 2030, so please, don't feel attacked by my beliefs.
  562. </p>
  563. </article>
  564. </section>
  565. <nav id="jumpto">
  566. <p>
  567. <a href="/david/blog/">Accueil du blog</a> |
  568. <a href="https://collapseos.org/why.html">Source originale</a> |
  569. <a href="/david/stream/2019/">Accueil du flux</a>
  570. </p>
  571. </nav>
  572. <footer>
  573. <div>
  574. <img src="/static/david/david-larlet-avatar.jpg" loading="lazy" class="avatar" width="200" height="200">
  575. <p>
  576. Bonjour/Hi!
  577. Je suis <a href="/david/" title="Profil public">David&nbsp;Larlet</a>, je vis actuellement à Montréal et j’alimente cet espace depuis 15 ans. <br>
  578. Si tu as apprécié cette lecture, n’hésite pas à poursuivre ton exploration. Par exemple via les <a href="/david/blog/" title="Expériences bienveillantes">réflexions bimestrielles</a>, la <a href="/david/stream/2019/" title="Pensées (dés)articulées">veille hebdomadaire</a> ou en t’abonnant au <a href="/david/log/" title="S’abonner aux publications via RSS">flux RSS</a> (<a href="/david/blog/2019/flux-rss/" title="Tiens c’est quoi un flux RSS ?">so 2005</a>).
  579. </p>
  580. <p>
  581. Je m’intéresse à la place que je peux avoir dans ce monde. En tant qu’humain, en tant que membre d’une famille et en tant qu’associé d’une coopérative. De temps en temps, je fais aussi des <a href="https://github.com/davidbgk" title="Principalement sur Github mais aussi ailleurs">trucs techniques</a>. Et encore plus rarement, <a href="/david/talks/" title="En ce moment je laisse plutôt la place aux autres">j’en parle</a>.
  582. </p>
  583. <p>
  584. Voici quelques articles choisis :
  585. <a href="/david/blog/2019/faire-equipe/" title="Accéder à l’article complet">Faire équipe</a>,
  586. <a href="/david/blog/2018/bivouac-automnal/" title="Accéder à l’article complet">Bivouac automnal</a>,
  587. <a href="/david/blog/2018/commodite-effondrement/" title="Accéder à l’article complet">Commodité et effondrement</a>,
  588. <a href="/david/blog/2017/donnees-communs/" title="Accéder à l’article complet">Des données aux communs</a>,
  589. <a href="/david/blog/2016/accompagner-enfant/" title="Accéder à l’article complet">Accompagner un enfant</a>,
  590. <a href="/david/blog/2016/senior-developer/" title="Accéder à l’article complet">Senior developer</a>,
  591. <a href="/david/blog/2016/illusion-sociale/" title="Accéder à l’article complet">L’illusion sociale</a>,
  592. <a href="/david/blog/2016/instantane-scopyleft/" title="Accéder à l’article complet">Instantané Scopyleft</a>,
  593. <a href="/david/blog/2016/enseigner-web/" title="Accéder à l’article complet">Enseigner le Web</a>,
  594. <a href="/david/blog/2016/simplicite-defaut/" title="Accéder à l’article complet">Simplicité par défaut</a>,
  595. <a href="/david/blog/2016/minimalisme-esthetique/" title="Accéder à l’article complet">Minimalisme et esthétique</a>,
  596. <a href="/david/blog/2014/un-web-omni-present/" title="Accéder à l’article complet">Un web omni-présent</a>,
  597. <a href="/david/blog/2014/manifeste-developpeur/" title="Accéder à l’article complet">Manifeste de développeur</a>,
  598. <a href="/david/blog/2013/confort-convivialite/" title="Accéder à l’article complet">Confort et convivialité</a>,
  599. <a href="/david/blog/2013/testament-numerique/" title="Accéder à l’article complet">Testament numérique</a>,
  600. et <a href="/david/blog/" title="Accéder aux archives">bien d’autres…</a>
  601. </p>
  602. <p>
  603. On peut <a href="mailto:david%40larlet.fr" title="Envoyer un courriel">échanger par courriel</a>. Si éventuellement tu souhaites que l’on travaille ensemble, tu devrais commencer par consulter le <a href="http://larlet.com">profil dédié à mon activité professionnelle</a> et/ou contacter directement <a href="http://scopyleft.fr/">scopyleft</a>, la <abbr title="Société coopérative et participative">SCOP</abbr> dont je fais partie depuis six ans. Je recommande au préalable de lire <a href="/david/blog/2018/cout-site/" title="Attention ce qui va suivre peut vous choquer">combien coûte un site</a> et pourquoi je suis plutôt favorable à une <a href="/david/pro/devis/" title="Discutons-en !">non-demande de devis</a>.
  604. </p>
  605. <p>
  606. Je ne traque pas ta navigation mais mon
  607. <abbr title="Alwaysdata, 62 rue Tiquetonne 75002 Paris, +33.184162340">hébergeur</abbr>
  608. conserve des logs d’accès.
  609. </p>
  610. </div>
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