The hottest Manufacturing Substack posts right now

And their main takeaways
Category
Top Sports Topics

Reading List 12/14/24

Construction Physics • 14823 implied HN points • 14 Dec 24
🕹 Technology Manufacturing
  1. Japan is investing heavily in semiconductor manufacturing. They're trying to produce custom chips in smaller batches, which could change the industry.
  2. Electric vehicles (EVs) are becoming more reliable over time. Although they had more problems than gas cars last year, the gap is getting smaller as manufacturers improve.
  3. New drilling technologies are being explored to access geothermal energy. Some companies are looking into using methods like microwaves to create holes in the Earth without traditional drilling.

Weaponized Inventory: How the U.S.–China Tech War Broke the Supply Chain

Gad’s Newsletter • 38 implied HN points • 09 Mar 26
🕹 Technology Manufacturing
  1. Sudden changes in export rules are triggering massive over-orders for AI chips that overwhelm testing, licensing, and shipping systems, so companies must add regulatory scenario planning to their demand forecasts.
  2. Most rare-earth refining and midstream processing are concentrated and slow to replicate, creating hidden Tier‑N chokepoints that require deep BOM traceability and years of investment to resolve.
  3. Complex products like humanoid robots hinge on a few hard-to-replace precision parts and long supplier‑qualification timelines, forcing a costly shift from just-in-time sourcing to resilience-focused, multi-source supply networks.

The Future of Economic Security with Dan Kim and Chris Miller

ChinaTalk • 296 implied HN points • 21 Jan 26
🕹 Technology Manufacturing
  1. A modest CHIPS budget can’t fully de-risk the U.S. from foreign suppliers, so policy should aim for resilience — building key clusters, mature-node capacity, and capability — rather than unaffordable self-sufficiency.
  2. Measure economic security with clear metrics like the Four Cs (capacity, capability, competition, criticality) and practical goals such as minimizing “time to recovery,” while creating institutions and incentives to execute and coordinate industrial strategy.
  3. There’s a trade-off between invention (high-value innovators) and fast-following scale-ups: both matter for national power, and friend-shoring or managed dependence can be strategic tools alongside export controls and international partnerships.

Reading List 12/28/24

Construction Physics • 11065 implied HN points • 28 Dec 24
🕹 Technology Manufacturing
  1. China is planning to build the world's largest hydroelectric dam, which could produce a huge amount of electricity and help meet its environmental goals.
  2. Chinese manufacturing is becoming very competitive not just in cars, but also in pharmaceuticals, with Chinese companies now creating many new drugs.
  3. In manufacturing, new startups often struggle financially at first, facing a tough phase called the 'valley of death' before they start making profits.
Get a weekly roundup of the best Substack posts, by hacker news affinity:

A Cycle of Misery: The Business of Building Commercial Aircraft

Construction Physics • 27768 implied HN points • 31 Jan 24
💼 Business Manufacturing
  1. Developing a new commercial aircraft is incredibly expensive, with development costs exceeding billions and posing significant financial risks to companies.
  2. Aircraft manufacturers face challenges in predicting market demand and trends, with incorrect guesses leading to financial losses and potentially fatal setbacks.
  3. Given the high costs and risks involved in developing new aircraft, manufacturers often opt to revise existing models to mitigate costs, keep pilot training minimal, and maximize efficiency.

Rating Trump's FDA's "Top 10" Year-1 Reforms

Cremieux Recueil • 229 implied HN points • 28 Jan 26
🏥 Health Politics Manufacturing
  1. The FDA published a top-10 list of first-year reforms covering things like a food supply reset, eliminating unnecessary animal testing, public decision letters, priority vouchers, HRT, tighter pharma ad rules, agency-wide AI, easier biosimilars, expanded cell and gene therapies, and more domestic manufacturing.
  2. The piece focuses on what the FDA actually accomplished with these initiatives and whether those changes matter in practice.
  3. Each of the ten items is rated individually, and the FDA receives an overall pass-or-fail grade for its first year based on those ratings.

Why Meta's AR/VR Dreams Need China's Goertek

ChinaTalk • 326 implied HN points • 07 Jan 26
🕹 Technology Manufacturing
  1. Goertek is more than a parts supplier — it assembles Meta’s headsets, runs centralized procurement, and manages a huge network of component makers, giving it outsized influence over costs and timelines. This makes it hard to replace even though its direct component value looks small.
  2. Meta is trying to diversify suppliers and move some production out of China, but swapping individual components isn’t the same as rebuilding an entire supply chain, so true decoupling remains difficult.
  3. Key XR parts like waveguides, pancake lenses, and optical engines are yield-constrained and dominated by a few firms (notably Goertek and Sunny Optical), creating capacity bottlenecks that drive shortages and limit product availability.

How Far Can Chinese HBM Go?

ChinaTalk • 637 implied HN points • 05 Dec 25
🕹 Technology Manufacturing
  1. China is trying to catch up in high-bandwidth memory (HBM) technology to improve AI chip performance. They need to overcome several challenges to advance beyond their current HBM2 level.
  2. CXMT, China's leading memory manufacturer, is facing difficulties due to export controls limiting access to advanced manufacturing tools. This could hinder their ability to produce competitive memory products.
  3. While some aspects like etching tools are less of a barrier, significant hurdles remain in the packaging and base die production. Without breakthroughs in these areas, China’s HBM progress may continue to lag behind global leaders.

How to Perform a Mass Balance: Step‑by‑Step Guide + Downloadable Worksheets

The Rotten Apple • 42 implied HN points • 02 Mar 26
🍲 Food & Drink Manufacturing
  1. A mass balance reconciles incoming materials with finished product, waste, and stored material using the simple equation Mass In = Mass Out + Mass Stored.
  2. You run a mass balance to spot and document deviations from expected yield so problems can be investigated and the results defended in an audit.
  3. The guide gives step‑by‑step instructions and downloadable worksheets to record inputs, outputs, rework, and yield so you can do a clear, factory‑floor mass balance.

Top Links 960 The smartphone shock. The Chinese Christmas factory. CFR v. TFR. A fever-dream of Risk.

Chartbook • 371 implied HN points • 23 Dec 25
💼 Business Manufacturing
  1. The smartphone revolution massively boosted platform businesses, letting apps and marketplaces capture value and reshape whole industries.
  2. China’s factories surge for the holiday season, highlighting global supply chains’ dependence on Chinese manufacturing and the seasonal strains that creates.
  3. Debates like CFR versus TFR and feverish risk narratives show that the choice of metrics and the way risks are framed strongly affect public understanding and policy responses.

The Story of Titanium

Construction Physics • 26933 implied HN points • 07 Jul 23
🔬 Science Manufacturing
  1. Titanium is abundant in the earth's crust but took time to be utilized due to its bonding properties.
  2. The development of titanium as an industrial material was heavily supported by government research and funding.
  3. The story of titanium showcases the importance of serendipity in scientific discoveries and the critical role of manufacturing in technology advancement.

Americans are ten times more likely to be fired than Germans

The Works in Progress Newsletter • 61 implied HN points • 18 Feb 26
💼 Business Manufacturing
  1. Europe’s strict job protections, high severance costs, and long collective dismissal procedures make firing expensive, so companies avoid risky experiments that could require later layoffs.
  2. That incentive steers firms toward safe, incremental improvements, keeps startups small or drives them to relocate, and reduces ambitious acquisitions and radical innovation in Europe.
  3. Models like Danish flexicurity, Austria’s portable severance fund, and Switzerland’s looser rules show you can protect workers while lowering the cost of failure, meaning targeted reform could boost big, risky innovators without abandoning social safety nets.

A dying industry dies a bit more

Material World • 2647 implied HN points • 25 Jun 25
💼 Business Manufacturing
  1. The Wilton chemical plant that once thrived has become unsustainable due to factors like decreased oil supply and increased competition from Asia. It’s a sad story of change in the industry.
  2. The decline of the plant reflects a larger trend in the UK chemicals industry, highlighting how smaller job losses at various plants can go unnoticed compared to bigger closures like British Steel.
  3. As the UK loses its chemical production capacity, it becomes more reliant on imports, which could have serious implications for important products in everyday life.

Far From Grüven

Doomberg • 7157 implied HN points • 01 Nov 24
💼 Business Manufacturing
  1. Germany's automotive industry is struggling due to poor energy policies and reliance on expensive energy sources. This could lead to factory closures and job losses.
  2. China is effectively using its energy resources to boost its production and economic strength, while European countries are facing the consequences of their energy choices.
  3. Volkswagen's recent financial troubles highlight the bigger issues facing Germany's heavy industry, and there are urgent changes needed to avoid further decline.

A 15-minute intro to involute gears

lcamtuf’s thing • 6938 implied HN points • 17 Nov 24
🕹 Technology Manufacturing
  1. Involute gears are used in many everyday items like toys and cars. Their special shape helps them work smoothly and efficiently.
  2. These gears have specific properties that reduce friction and vibrations, allowing them to transfer motion without problems. This ensures they work together seamlessly.
  3. Understanding the design of involute gears helps in creating various gear types, even unique shapes, making it easier to innovate in mechanical engineering.

Indefensible

Doomberg • 7229 implied HN points • 20 Oct 24
🕹 Technology Manufacturing
  1. Taiwan has become a key player in the global semiconductor industry, producing a significant portion of the world's chips. This makes its technology sector very important to the global economy.
  2. Taiwan struggles with energy supply, having faced numerous power outages in recent years. This energy crunch raises concerns about its ability to support its semiconductor manufacturing.
  3. The island's history and political situation with China create additional stress. If tensions rise, Taiwan's energy vulnerabilities could be exploited, impacting its manufacturing capabilities.

The Spearpoint Right Now of Human Technological Engineering

Brad DeLong's Grasping Reality • 184 implied HN points • 10 Jan 26
🕹 Technology Manufacturing
  1. A small high‑collaboration region in the Netherlands (Brainport Eindhoven) is the global spearpoint of cutting‑edge technological engineering, where industry, universities, and government jointly push manufacturing and design limits.
  2. Advanced chipmaking is a vertical, unforgiving value chain—light sources, mirrors, EUV lithography machines, pure silicon wafers, foundries, chip designs, and software are all technically essential and extremely expensive.
  3. Even though the stack is deeply interdependent, economic rewards are highly concentrated (notably around NVIDIA and CUDA), and swapping major players like TSMC or NVIDIA is possible only at large cost or performance penalties.

Winning iPhone Orders is no Longer Victory

Tim Culpan’s Position • 39 implied HN points • 11 Sep 24
💼 Business Manufacturing
  1. Luxshare and Foxconn are both working on assembling iPhones, but Luxshare's recent orders don't seem to bring in much more money for the company. Their iPhone assembly success hasn't led to significant revenue growth.
  2. Apple is a big client for both companies, but they are overly dependent on it. Luxshare's reliance on Apple for 75% of its revenue is worrying for investors, especially as Apple's overall sales have been slowing.
  3. To succeed, Luxshare might need to expand into new areas like AI servers rather than just focusing on iPhones. However, they face challenges in doing this and need to be cautious about their future strategies.

CROSSPOST: WILL LOCKETT: Musk’s Pathetic Robot Is Looking More And More Like Bad Vapourware

Brad DeLong's Grasping Reality • 292 implied HN points • 15 Dec 25
🕹 Technology Manufacturing
  1. Musk’s grand claims for the Optimus robot—mass production, huge productivity gains, and trillions in revenue—read more like hype than realistic projections. They aren’t backed by results so far.
  2. Videos and past admissions suggest many demos are remotely puppeteered or staged, making the robot appear less autonomous and more like an illusion. The mishaps and strange behavior look like operator control, not finished technology.
  3. Tesla’s core EV development looks stagnant and competitors are pulling ahead, so the company’s high valuation depends on speculative future products like the humanoid robot actually delivering. If those breakthroughs don’t happen, the valuation is at risk.

A 15-minute intro to resin casting

lcamtuf’s thing • 4693 implied HN points • 21 Dec 24
🕹 Technology Manufacturing
  1. Resin casting involves making a mold and pouring liquid plastic into it. This method allows you to create exact replicas of items, capturing all their details.
  2. Compared to 3D printing, resin casting can produce stronger and more durable parts. It also gives a finer finish since the liquid can fill every tiny detail of the mold.
  3. The process includes making a flexible mold from silicone, applying a release agent, and carefully pouring in the resin. It's important to manage air bubbles for the best results.

Beyond the ISS

Chris’s Substack • 19 implied HN points • 11 Oct 24
🔬 Science Manufacturing
  1. The International Space Station (ISS) is important for research in space, especially for understanding how different conditions affect materials.
  2. There is a high demand for time on the ISS, which is leading to the development of commercial space stations to help meet that need and lower costs.
  3. Space manufacturing has been proven possible, but we need to make the processes cheaper and easier to implement in space to fully take advantage of it.

Innovation, Customers and Scale: A Positive Vision for Intel's (Foundry) Future

The Chip Letter • 4586 implied HN points • 02 Dec 24
🕹 Technology Manufacturing
  1. Intel might need to split its foundry and product divisions to succeed better. This way, each part can focus on its own goals and customers.
  2. For Intel to compete effectively, it has to be innovative and meet customer needs. Keeping an eye on emerging tech trends and demands is crucial.
  3. The success of Intel Foundry hinges on attracting big clients and delivering quality products on time. If they can impress customers, there's a chance for future growth.

At least five interesting things for the middle of your week (#29)

Noahpinion • 10588 implied HN points • 28 Feb 24
🏥 Health & Wellness Manufacturing
  1. AI might help restore the middle class by narrowing the productivity gap between high-skilled and low-skilled workers.
  2. Americans can still afford food, with spending on groceries remaining steady while restaurant spending has increased.
  3. Native Americans in Canada are involved in urban development and industry, showing a potential avenue for economic growth and modernity.

ESP32 Rainbow QA - A tale of three boards

atomic14 • 173 implied HN points • 02 Jan 26
🕹 Technology Manufacturing
  1. Minor assembly or soldering faults—like lifted pads, poorly seated ICs, or cold joints—can cause big failures such as no sound, no USB, or nonworking keys.
  2. Simple bench debugging (microscope inspection, continuity checks) plus basic rework (reflowing solder, nudging parts, retouching pins) can fix many issues, though some damaged boards are only fit for spare parts.
  3. Outsourcing PCB fabrication and partial assembly is fine, but final in‑house assembly and thorough QA are essential to catch subtle manufacturing problems before shipping.

That was 2025!

atomic14 • 173 implied HN points • 31 Dec 25
🕹 Technology Manufacturing
  1. One person can design, crowdfund, and ship a real hardware product worldwide, but production costs, certification, tariffs, and shipping logistics make margins very tight.
  2. Building an audience before launch, using AI tooling, and embracing open source helped make the product possible and created a supportive community.
  3. Hands-on experiments with high-voltage gear, tiny RISC‑V chips, and better debugging drove learning, and sharing both successes and failures proved more valuable than chasing big profits.

America Won’t Exist If We Can’t Build Things

Common Sense with Bari Weiss • 1122 implied HN points • 21 Jul 25
🇺🇸 U.S. Politics Manufacturing
  1. A country needs to be able to build and create things to be strong and successful. Manufacturing is essential for power and stability.
  2. Historically, great nations became powerful by having a strong industrial base. This strength helped them gain military power and economic influence.
  3. If America loses its industrial edge, it risks losing the dollar as the world's main currency, which could lead to a decline in its global power.

An Interview with Stratechery; A New Start

The Asianometry Newsletter • 2707 implied HN points • 21 Jan 25
🕹 Technology Manufacturing
  1. The Asianometry Newsletter is now part of the Stratechery Plus bundle, so subscribers will have access to exclusive content like transcripts and audio feeds.
  2. Jon Yu, the creator of Asianometry, started his YouTube channel as a way to share his experiences in Asia, which has now evolved into a focus on technology and semiconductors.
  3. The semiconductor industry is complex and involves tightly-knit supplier relationships, with companies collaborating on process development while maintaining competition.

The First Sneaky Town Tournament

Human Programming • 77 implied HN points • 28 Jan 26
🪑 Design Manufacturing
  1. A small act of commitment plus a bit of serendipity can unlock big opportunities — joining a makerspace and signing up for certification made the tournament possible.
  2. Ship first, polish later: a last-minute design pivot still produced boards people loved, showing deadlines and sharing work before perfection matter more than waiting for an ideal version.
  3. Practical event design and teaching matter: clear invites, flexible pacing, simple tournament structure, and improving how rules are taught made the event run smoothly and helped seed a local community.

China is ‘world’s sole manufacturing superpower’, with 35% of global output

Geopolitical Economy Report • 1056 implied HN points • 31 Jan 24
🌍 World Politics Manufacturing
  1. China has become the world's top manufacturing power, accounting for 35% of global production.
  2. China's economic success is largely attributed to its state-led development model, with government-controlled enterprises and strategic policies.
  3. The US is heavily reliant on Chinese manufactured goods, making complete decoupling challenging and costly for both countries.

Hybrid Bonding Process Flow - Advanced Packaging Part 5

SemiAnalysis • 7677 implied HN points • 09 Feb 24
🕹 Technology Manufacturing
  1. Hybrid bonding is a major innovation in semiconductor manufacturing, impacting design processes and supply chains.
  2. There are engineering challenges in bringing hybrid bonding to high volume production, with a focus on cleanliness, surface smoothness, and alignment accuracy.
  3. Wafers are bonded using advanced techniques such as wafer-to-wafer or die-to-wafer processes based on alignment accuracy, throughput, and bond yields.

How Has U.S. Manufacturing Been Going Over the Past Generation?

Brad DeLong's Grasping Reality • 176 implied HN points • 03 Dec 25
💼 Business Manufacturing
  1. Official measures understate manufacturing productivity because producer deflators miss big quality improvements. Using consumer-facing hedonic adjustments pushed through input–output tables raises measured TFP a lot, especially in computers and electronics.
  2. Even after correcting for mismeasurement, manufacturing shows a clear slowdown after the 2007–2009 financial crisis; the strong gains are concentrated in a few ICT subindustries while much of manufacturing has essentially stagnated.
  3. If quality growth has been undercounted, manufacturing matters more for growth and policy than official data imply, so researchers should dig into why ICT dominates the gains and test robustness to margins, globalization, and measurement choices.

Intel's One True Stakeholder is Here

Mule’s Musings • 610 implied HN points • 15 Aug 25
🕹 Technology Manufacturing
  1. Intel is in trouble and needs government support to survive. Without help, its future as a major semiconductor player looks bleak.
  2. The US can't rely on Taiwan for semiconductors anymore. It's important for Intel to stand alone and have the capabilities to produce high-end technology in America.
  3. Trump has the ability to create partnerships that could benefit Intel. By pushing major companies to order from Intel, he could help revive its foundry and strengthen American manufacturing.

Here Come the New Industrialists

Common Sense with Bari Weiss • 737 implied HN points • 21 Jul 25
🇺🇸 U.S. Politics Manufacturing
  1. America used to be a leading manufacturer, but now it relies heavily on goods from China. This shift has affected many American communities and industries.
  2. China is making more products than the U.S., with advanced factories that operate without human workers. This highlights a big gap in manufacturing capabilities between the two countries.
  3. There is a concern about America's dependence on China for essential supplies, which raises questions about national security and economic independence.

ESP32-S3 ZX Spectrum - Update 22-06-2024

Single Board ESP32 ZX Spectrum • 159 implied HN points • 22 Jun 24
🕹 Technology Manufacturing
  1. The creator is grateful for the support shown for the ESP32-S3 ZX Spectrum project, with 432 people signing up for updates.
  2. Progress has been made in applying to platforms like Crowd Supply, developing prototypes with new features, and creating new artwork for the project.
  3. Key questions are addressed about the project, including display options, pricing, support for games, and potential selling platforms.

Why No Japanese Sequencing Companies?

ASeq Newsletter • 36 implied HN points • 03 Feb 26
🕹 Technology Manufacturing
  1. Japan has deep expertise and built many key components for sequencing — from contributions to the Human Genome Project to ISFET sensing and imaging sensors — yet it has produced almost no homegrown DNA or protein sequencing companies.
  2. Possible reasons include a lack of strong domestic genome centers and expert customers, structural problems with the startup ecosystem, and past institutional missteps that discouraged local product development.
  3. The shift toward clinical, sample-to-answer sequencing and the still-open field of protein sequencing are clear opportunities Japan could exploit with its research and manufacturing strengths, and funding startups would build domestic talent and capability even if many ventures fail.