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Learning · interactive visualization

ciechanow.ski

Hacker Approved

Interactive articles that explain how mechanical and physical things work, praised for visual craft, accuracy and readable code.

Summarized from 37 comments.

Interactive articles that explain how mechanical and physical things work, praised for visual craft, accuracy and readable code.

recommend
33
criticize
1
months recommended
9 of 13

Why people love it

  • Inspires others to make explainers · 4

    I love this blog so much that I used it as a guide for building my own series of explainers

    Oct 2026 · comment

    exceptionally well written and designed articles inspired this one

    Jul 2026 · comment

    Bartosz Ciechanowski's work was my inspiration!

    Jul 2026 · comment
  • Interactive visual explanations of how things work · 4

    S-TIER blogs are those that are animated, visual, interactive and absolutely blow your mind off

    Mar 2026 · comment

    very complex visualization perfectly accessible from the mobile phone

    Sep 2026 · comment

    can only really be appreciated from the browser

    May 2026 · comment
  • Beautiful and educational presentation · 3

    make a site as wonderful both in visual presentation and in code, while being as factually accurate as ciechanow.ski

    Aug 2026 · comment

    Sites that are true works of art and craft, like https://ciechanow.ski/ , will get remembered more widely

    Jan 2026 · comment

    it's both really educational and beautiful at the same time

    Sep 2026 · comment

What people warn about

  • Some diagrams hard to follow · 1

    quite a few of the diagrams were so alien to me that they became undecipherable

    Mar 2026 · comment

What hackers pick instead

Every quote

The 29 most detailed of 37 comments. Each links to the original.

  1. make a site as wonderful both in visual presentation and in code, while being as factually accurate as ciechanow.ski

    Recommends · Aug 2026 · in “Moon (2024)”

  2. Sites that are true works of art and craft, like https://ciechanow.ski/ , will get remembered more widely

    Recommends · Jan 2026 · in “A website to destroy all websites”

  3. S-TIER blogs are those that are animated, visual, interactive and absolutely blow your mind off

    Recommends · Mar 2026 · in “Ask HN: Most beautiful personal blog UI you have ever seen?”

  4. I love this blog so much that I used it as a guide for building my own series of explainers

    Recommends · Oct 2026 · in “Sound (2022)”

  5. quite a few of the diagrams were so alien to me that they became undecipherable

    Mixed · Mar 2026 · in “Show HN: Now I Get It – Translate scientific papers into interactive webpages”

  6. very complex visualization perfectly accessible from the mobile phone

    Recommends · Sep 2026 · in “Transformers Explained Visually”

  7. exceptionally well written and designed articles inspired this one

    Recommends · Jul 2026 · in “The Beam Engine”

  8. it's both really educational and beautiful at the same time

    Recommends · Sep 2026 · in “Reverse Engineering an ASIC”

  9. Bartosz Ciechanowski's work was my inspiration!

    Recommends · Jul 2026 · in “Drone Physics”

  10. can only really be appreciated from the browser

    Recommends · May 2026 · in “RSS Feeds Send Me More Traffic Than Google”

  11. The coolest blog on how things work

    Recommends · Jul 2026 · in “Ask HN: What are your favorite blogs not about AI?”

  12. 100% inspired by Bartosz's articles

    Recommends · Jul 2026 · in “The Beam Engine”

  13. They should receive an unlimited grant to produce educational content for the digital generation’s benefit.

    Recommends · Jan 2026 · in “Airfoil”

  14. His javascript is also unminified and perfectly readable, making it a great reference for study

    Recommends · Jul 2026 · in “Internal Combustion Engine”

  15. The author of the Airfoil article has made several similar tutorials on various topics

    Recommends · Jan 2026 · in “Airfoil”

  16. possibly the only author able to raise 1000+ upvotes on each and every of his posts

    Recommends · Jan 2026 · in “The Most Popular Blogs of Hacker News in 2025”

  17. brings back the joy of surfing the web during the heyday of Adobe Flash

    Recommends · Jan 2026 · in “Cameras and Lenses”

  18. a really cool site that showcases how these crap Tissot movements work

    Recommends · Jun 2026 · in “Mechanical Watch”

  19. It's amazing how much web technology progressed in those two decades.

    Recommends · Feb 2026 · in “Animated Engines”

  20. Now imagine if each of them got the ciechanow.ski treatment

    Recommends · Aug 2026 · in “507 Mechanical Movements”

  21. Not just in terms of presentation, but also quality.

    Recommends · Jul 2026 · in “The Beam Engine”

  22. You can start by looking at all his other entries

    Recommends · Jan 2026 · in “Lights and Shadows”

  23. is one of my favorite pages on the internet

    Recommends · Jan 2026 · in “Lights and Shadows”

  24. All the work on that site is wonderful.

    Recommends · Jun 2026 · in “Mechanical Watch”

  25. Much like https://ciechanow.ski/

    Recommends · Jun 2026 · in “How does a pull-back car work? Illustrated teardown”

  26. This is a really nifty website.

    Recommends · Jan 2026 · in “A website to destroy all websites”

  27. Which I think is a good thing

    Recommends · Jul 2026 · in “Drone Physics”

  28. his is certainly top class!

    Recommends · Mar 2026 · in “Show HN: Now I Get It – Translate scientific papers into interactive webpages”

  29. Was disappointed to see ciechanow.ski hasn't been updated since 2024.

    Criticizes · Jan 2026 · in “Ask HN: Who do you follow via RSS feed?”

Counts from 1,795,640 Hacker News comments, Nov 2025 to Nov 2026. How we count · Report a mistake