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Manufacturing & industrial processes: videos Hacker News recommends
Manufacturing: factories, how things are made, injection molding, casting, machining, supply chain, assembly lines, industrial automation, lean production, mass production tours. Below: every video in this topic that at least three HN users linked with real commentary, in at least three different months (33 documentarys, 12 explainers, 11 demos), best-scored first, with the comments on each video page.
- Aviation & aerospace engineering 124
- Cars, EVs & motorcycles 171
- Transit, cities & urban planning 174
- Civil engineering & construction 70
- Mechanical & precision engineering 141
- Woodworking, metalworking & workshop skills 34
- 3D printing, CNC & maker projects 58
- Home, DIY & practical skills 61
- Cooking & food 41
- Ships, submarines & maritime 24
- Engineering & making (other) 27
- 9 HN recommenders 9 months 2016–2026It is a go-to recommendation whenever cans, good design or mass-produced objects come up, and many also recommend the whole channel.
- 8 HN recommenders 8 months 2016–2022W WIRED Investigations · documentaryStrongly recommended in Shenzhen and hardware threads for its view of fast cycles, loose IP and the maker ecosystem.
- 11 HN recommenders 9 months 2019–2025HN commenters repeatedly recommend it as a half-hour mini-documentary on how precision is bootstrapped from scratch, relevant to machining and chip manufacturing threads.
- 6 HN recommenders 6 months 2017–2026D Dalibor Farný · documentaryHN commenters call it mesmerizing and a great look at how things are actually made by a dedicated craftsman.
- 6 HN recommenders 6 months 2025–2026HN cites it constantly in US manufacturing debates as a vivid demonstration of how much domestic industrial capability has been lost.
- 5 HN recommenders 5 months 2020–2025HN recommends it as a rare look inside a rocket factory and cites it for manufacturing details like welding methods.
- 6 HN recommenders 5 months 2017–2024Boeing threads cite it as early evidence of deep cultural and quality problems at Boeing, years before the 737 MAX crashes.
- 6 HN recommenders 4 months 2015–2018HN recommends it as a fascinating look at the i3's revolutionary materials and production methods, and as a contrast point for Tesla.
- 3 HN recommenders 3 months 2025–2026HN sends people here as the most straightforward and detailed starting point for understanding EUV lithography.
- 3 HN recommenders 3 months 2020–2021Treated as the essential primary source for Tesla's battery and cost-reduction plans, and a feast for engineering nerds.
- 4 HN recommenders 4 months 2018–2026Recommended as the best look inside a modern PCB fab, cited in threads on hobby PCB vendors, manufacturing in China and automation.
- 5 HN recommenders 3 months 2026HN commenters recommend it as the accessible deep-dive on EUV lithography and why chip manufacturing is so hard.
- 2 HN recommenders 3 months 2020–2023HN recommends the channel and this video as an explanation of how machine tools enabled modern manufacturing.
- 3 HN recommenders 3 months 2019–2024HN commenters recommend it as an excellent introduction to massive forging presses, especially in threads about gigacasting and large manufacturing machines.
- 3 HN recommenders 3 months 2022HN viewers find the film manufacturing process and the engineering behind it fascinating, especially the continuous roll changes.
- 4 HN recommenders 3 months 2022–2026Recommended in address and OCR threads as a look at the last human mail-coding operation.
- 3 HN recommenders 3 months 2021–2023HN uses it as a primary source on Tesla manufacturing and engineering decisions and Musk's grasp of product detail.
- 3 HN recommenders 3 months 2020–2022D DigiKey · tutorialRecommended as a friendly starting point for people who want to learn PCB design with free tools.
- 2 HN recommenders 2 months 2019–2022HN recommends it for a view of Shenzhen's hardware ecosystem and as a documentary pick on China's tech scene.
- 2 HN recommenders 2 months 2019–2020HN cites it in mass timber and construction threads as an example of insulation-free, glue-free all-wood building in Europe.
- 2 HN recommenders 2 months 2019–2025HN uses it as the standard illustration of hidden complexity and supply-chain dependencies behind everyday objects.
- 2 HN recommenders 2 months 2023–2025Recommended for factory-process fans and as part of a series on how US manufacturing is losing tooling capability.
- 2 HN recommenders 2 months 2020–2022I ILFORD Photo · documentaryHN shares it as a fun short factory tour showing that film is still manufactured.
- 2 HN recommenders 2 months 2022–2025Cited as an expert's account of why gigacasting works and how Tesla manufacturing has changed.
- 2 HN recommenders 2 months 2022–2023HN commenters point to it as a clear explanation of why fabs aren't being built for older process nodes.
- 2 HN recommenders 2 months 2021–2022HN commenters point to it as a better explanation of just-in-time versus the Toyota Way and of container and chip shortages.
- 2 HN recommenders 2 months 2016–2021U Uncanny Valley by WIRED · documentaryHN commenters point to it as a snapshot of Shenzhen's hardware and IP culture, including counterfeit electronics and fast iteration.
- 3 HN recommenders 2 months 2019–2024Commenters point to it whenever 3D-printed metal parts come up, as a clear explanation of why they have poor fatigue life and material defects.
- 2 HN recommenders 2 months 2022–2025U USCSB · documentaryHN recommends the CSB's accident reconstruction animations as clear, worthwhile case studies of industrial disasters.
- 2 HN recommenders 2 months 2017–2023HN cites it as proof that a full iPhone can be assembled from sourced parts, in right-to-repair and Shenzhen hardware ecosystem discussions.
- 2 HN recommenders 2 months 2016–2017E europeanautosource · documentaryCited as a vivid example of modern, highly automated manufacturing with few workers, and of carmakers as robotics companies.
- 2 HN recommenders 2 months 2021–2026Cited in automation and robotics threads as the example of a warehouse built robot-first.
- 1 HN recommenders 1 months 2024–2025I Insider Food · documentaryHN cites it as an example of efficient, machine-assisted mass feeding of people for free.
- 1 HN recommenders 1 months 2015–2019HN finds it fascinating as a window into 1930s factory work, often contrasting its hand labor with modern assembly ergonomics.
- 1 HN recommenders 1 months 2014–2021S shareoldvideos · documentaryCited in threads on Boeing and engineering management as a long, interesting look at how a modern airliner was built.
- 1 HN recommenders 1 months 2014–2021K KivaDirector · demoUsed to show what Kiva-style warehouse automation actually looks like: simple wheeled robots moving racks to humans.
- 1 HN recommenders 1 months 2019–2022HN cites it as the standard example of advanced warehouse automation in grocery fulfillment.
- 1 HN recommenders 1 months 2018–2022A AllAboutLean.com · documentaryHN finds it fascinating and suggests the technique for keeping operators like test drivers attentive.
- 1 HN recommenders 1 months 2016–2025M MacGeneration · documentaryUsed as the visual reference for Apple's earlier US manufacturing and automation, often as an example of factory automation lessons.
- 1 HN recommenders 1 months 2017–2020O oxtoolco · demoCited in threads on flatness and precision as a glimpse into a niche metrology profession.
- 1 HN recommenders 1 months 2012–2015A AI+R · demoShared as a striking example of what prefab modular construction can achieve in speed.
- 1 HN recommenders 1 months 2018–2026U USCSB · explainerCited as a vivid example of combustible dust hazards and of the CSB's investigative work.
- 1 HN recommenders 1 months 2016–2021R Rachel and Jun · demoCited in prefab and housing threads as proof that high-quality modular homes can be assembled on site in hours.
- 1 HN recommenders 1 months 2021–2023B bookscanner · demoHN brings it up in book-digitization threads as an elegant, careful scanner design.
- 1 HN recommenders 1 months 2019HN links it as an expert teardown perspective on Tesla engineering, used to back up claims about motors and electronics quality.
- 1 HN recommenders 1 months 2020–2021HN cites it as a deeper look at Tesla's integrated thermal management system, from a commentator respected for auto industry knowledge.
- 1 HN recommenders 1 months 2023–2026O Oracle Red Bull Racing · documentaryHN commenters cite it as an illustration of the extreme effort Formula One teams put into safety, performance and reliability for a single part.
- 1 HN recommenders 1 months 2024–2025HN commenters cite it as a concrete teardown-style explanation of how BYD builds a cheap EV and why Western automakers are worried.
- 1 HN recommenders 1 months 2022–2024Pointed to as a clear explainer of Relativity Space's fully 3D printed rocket approach when rocket manufacturing or additive manufacturing comes up.
- 1 HN recommenders 1 months 2022–2026B Business Insider · explainerCited in threads on textile waste and clothing supply chains as an example of an industrial recycling attempt, with some skepticism about how far it progressed.
- 1 HN recommenders 1 months 2016–2026HN cites it as a glimpse of in-house, highly automated hardware manufacturing and the scale of a lights-off factory.
- cited 3× 0 months 2021–2023S SimTV · demoHN commenters cite it as a rare look at Tesla's giant casting presses in action during discussions of mega-castings.
- cited 8× 0 months 2021–2023P Panos Egglezos · documentaryMostly used by seed-oil skeptics in nutrition threads as a visual argument that canola oil is heavily processed.
- cited 5× 0 months 2012–2014HN commenters link it as a concrete picture of Kiva-style robotic warehouses whenever threads discuss warehouse automation and same-day delivery.
- cited 12× 0 months 2015–2024A Automated Foodservice · documentaryHN cites it as historical precedent in threads about restaurant robots and automation, noting it worked but was not cost-effective.
- cited 3× 0 months 2021–2024S Seeker · documentaryHN cites it as an example of automated cloud labs and AI already running physical experiments.
- cited 4× 0 months 2018–2021Cited as an early expert critique of Model 3 fit, finish and manufacturing quality, and for its note on hard-to-find emergency door releases.
- cited 6× 0 months 2015–2022D DAISHIN SEIKI大槇精機 · demoHN uses it as a go-to example of impressive 5-axis machining and CAM-controlled toolpaths.
- cited 4× 0 months 2016–2019D Devon Contract Waste · documentaryHN links it as a concrete example of the scale and speed of automated recycling sorting.
- cited 3× 0 months 2016–2017T TestDriven · documentaryUsed as a concrete example of modern car assembly, with short cycle times and heavy robotic automation, in manufacturing and automation threads.
- cited 4× 0 months 2017–2020O Oxbo · demoHN cites it as evidence that commercial berry harvesting is done by mechanical shaking and agitation, in contrast to slow picking robots.
- cited 5× 0 months 2016–2025M MuStudio · documentaryHN cites it as evidence of early lights-out manufacturing and of Steve Jobs's factory automation roots in threads on automation and US manufacturing.
- cited 3× 0 months 2021–2024R rdwaynes · documentaryCited as historical precedent for large government industrial investment and for modern gigacasting.
- cited 3× 0 months 2018–2023Mostly used as a reference clip, as a view of a modern factory or evidence in an argument, not as a recommendation.
- cited 5× 0 months 2017–2025A Allan · demoHN references it as prior art whenever solar sintering, sand printing or sunlight-based manufacturing comes up.
- cited 3× 0 months 2010–2022B bigshredder · demoLinked as an example of industrial shredding for secure bulk drive destruction.
Questions
What is the most recommended manufacturing & industrial processes video on Hacker News?
The Ingenious Design of the Aluminum Beverage Can by engineerguy: It is a go-to recommendation whenever cans, good design or mass-produced objects come up, and many also recommend the whole channel.
How is this manufacturing & industrial processes list ranked?
By HackerTube's score: the number of distinct months in which an HN comment recommended the video, plus half a point for every month with a strong recommendation. One viral thread counts less than steady recommendations over years.
Where do the videos come from?
From every Hacker News comment between 2007 and 2026 that linked a YouTube video, labeled by an AI model as a recommendation, a citation, a joke or a criticism. The list is published by HackerTube under ODC-By 1.0; this edition adds indexable pages and the comment context.
Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.