The hottest Engineering Substack posts right now

And their main takeaways
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Construction Physics • 13779 implied HN points • 06 Feb 24
  1. Reducing the amount of materials in construction can significantly cut costs.
  2. Structural elements must be designed to resist axial, shear, and bending forces.
  3. Challenges exist in further reducing materials in buildings due to practical constraints, cost considerations, and performance tradeoffs.
High Growth Engineer • 1179 implied HN points • 11 Feb 24
  1. To transition into senior engineering roles, you need to shift from hands-on work to systems thinking, focusing on strategic leadership and fostering team autonomy.
  2. Senior engineers lead through influence rather than pure authority, emphasizing building trusted relationships, setting vision, and empowering teams.
  3. Developing critical leadership skills as a senior engineer involves improving empathy, communication, collaboration, systems thinking, and execution orchestration, while overcoming common pitfalls like losing sight of the big picture and excessive control.
Gordian Knot News • 183 implied HN points • 19 Feb 24
  1. 90 odd power plants in the country are n-U fusion reactors, creating electricity with an engineering gain of about 18.
  2. Operators of these fusion plants are advised to apply for a Section 30 license from the NRC quickly or contact their state regulatory agency if in an Agreement State.
  3. The breakthrough in fusion we've been waiting for involves the significant engineering gains of n-U fusion reactors, surpassing other fusion concepts in terms of proven efficiency.
More Than Moore • 116 implied HN points • 20 Feb 24
  1. Intel showcased high-speed 3nm silicon technology at ISSCC 2024, revealing their advancements in SERDES connectivity.
  2. SERDES links, like PCIe, have evolved over the years and can now achieve faster transfer rates through encoding advancements like PAM-4 and PAM-6.
  3. Presenting impressive silicon like the Bixby Creek chip demonstrates Intel's commitment to developing power-efficient high-speed connections and prepares IP blocks for customer use in new process nodes.
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Gordian Knot News • 175 implied HN points • 18 Feb 24
  1. Fusion faces difficult technical challenges like damage to the first wall, intense heat transfer, and high maintenance due to activation of materials.
  2. Achieving economic viability in fusion is a major hurdle, with immense parasitic loads and a fusion gain ratio that can be a significant challenge to achieve.
  3. Standard fusion processes like using deuterium and tritium result in energy losses due to the need for high quality energy input, which makes fusion less self-sustaining than fission.
AI Supremacy • 825 implied HN points • 29 Jan 24
  1. More software engineers are turning to Substack for professional education and insights in technology
  2. Top engineering newsletters on Substack provide valuable content for software engineers and tech workers
  3. Subscribing to engineering newsletters can help professionals stay informed, grow, and stand out in the industry
Dev Interrupted • 37 implied HN points • 20 Feb 24
  1. The core sections of The Startup CTO's Handbook include Management Fundamentals, Technical Leadership Concepts, and Hard Technology Decisions.
  2. Conducting career history interviews when hiring can reveal a candidate's mindset and how they handle challenges.
  3. Engineering leaders can stay technically relevant by reviewing pull requests and taking courses, even when not coding regularly.
Construction Physics • 26933 implied HN points • 07 Jul 23
  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.
TheSequence • 994 implied HN points • 19 Jan 24
  1. You may not need ML engineers for Generative AI projects due to the availability of pre-trained models like GPT-4.
  2. Prompt engineering, the clear articulation of needs in natural language, is a crucial skill for AI application development.
  3. Product managers and domain experts play a significant role in shaping AI products through prompt engineering, reducing the need for technical experts.
Arpit’s Newsletter • 176 implied HN points • 04 Feb 24
  1. Extreme ownership means taking initiative and completing tasks without waiting to be told what to do.
  2. Keeping everyone on the same page by proactively sharing progress and potential roadblocks is crucial for success.
  3. Extreme ownership does not mean working twice as hard, but rather taking complete ownership and ensuring delivery of assigned tasks.
Breaking Smart • 70 implied HN points • 11 Feb 24
  1. The concept of Massed Muddler Intelligence (MMI) entails a new approach to scaling AI, emphasizing the importance of agents, local trial-and-error, and muddling through over monolithic, deterministic training models.
  2. MMIs aim to leverage the principles of embodiment, boundary intelligence, temporality, and personhood to design scalable AI systems that resemble Service-Oriented Architecture in computing.
  3. Building MMIs involves compositing different elements deliberately to create a language of differentiated forms, akin to how reinforced concrete combines materials in defined geometries to achieve specific properties.
Byte-Sized Design • 58 implied HN points • 11 Feb 24
  1. Instagram improved video uploading efficiency by compressing videos first to progressive encodings and then converting them to adaptive-bit-rate videos, saving 94% of resources.
  2. The challenge for Instagram was to support various video formats for different devices while minimizing resource consumption and CPU usage.
  3. Insightful optimization was achieved by realizing that progressive and adaptive bit rate encodings could use the same codec, streamlining the encoding process to focus on scalability.
jimmysong • 216 implied HN points • 08 Jan 24
  1. Jordan Bush explains the deeper meaning of rendering onto Caesar in the Bible, shedding light on the issue of taxes and statism in the church.
  2. The story of a successful mathlete from Stanford reveals the costs of engaging in a fiat system and the debt that comes with it.
  3. Scott's reflections on having children, particularly twins, offer insights on parenthood and the impacts of a fiat mentality on framing life experiences.
Axial • 7 implied HN points • 17 Feb 24
  1. An innovative Fc engineering approach can adjust antibody-dependent cytokine release without impacting cell-killing functions. This shows that manipulating cytokine release independently is possible.
  2. Different IgG isotypes have varying abilities to stimulate proinflammatory cytokine release. This indicates the importance of isotype selection beyond just cytotoxicity.
  3. Engineering antibodies to selectively engage FcγRs can potentially enhance immune responses. This opens up new possibilities for optimizing antibody immunotherapies against cancer.
platocommunity • 98 implied HN points • 18 Jan 24
  1. Successful technology migrations require thorough planning, dedicated resources, and strategic funding to avoid falling into the "Migration Trap."
  2. Proving significant value in a migration is essential - the new system must offer transformative benefits that the old system couldn't achieve to justify the effort and resources required for the migration.
  3. Maintaining a learning mindset throughout the migration process is crucial; being open to challenges, re-evaluating assumptions, and being willing to abandon the migration if it doesn't serve its intended purpose can lead to better outcomes.
platocommunity • 39 implied HN points • 01 Feb 24
  1. Okta believes in leveling up both the tech stack and the people stack for successful architecture.
  2. The Architecture Charter at Okta involves setting clear guardrails and handholds to empower engineers to make informed decisions.
  3. Writing things down, utilizing frameworks like RFCs and Requests for Discussion, is crucial for communication and knowledge sharing in the organization.
Only Wonder Knows • 19 implied HN points • 09 Feb 24
  1. Calibration of circuits can be a useful solution but it's important to know when it is necessary and when it's not.
  2. Understanding how components like sensors and resistors behave in different conditions is crucial before considering calibration.
  3. Before deciding to calibrate electronic components, a detailed technical and economic analysis should be conducted to ensure it is a suitable solution.
Basta’s Notes • 753 HN points • 15 Sep 23
  1. Sometimes, valuable projects end abruptly without much recognition or lasting impact.
  2. It's important to focus on creating business value with your work, rather than building impressive but ultimately unnecessary solutions.
  3. Every piece of code you write as an engineer is legacy and may not last forever, so focus on learning from each project's outcome.
High Growth Engineer • 464 implied HN points • 27 Aug 23
  1. Collaboration with product managers and designers can be challenging due to differing priorities and project impacts.
  2. Engineers often face the dilemma of balancing what they can do, what the PM wants, and what the PM thinks they can do.
  3. Maintaining a good relationship and meeting deadlines are key aspects of being a favored engineer among product managers and designers.
More Than Moore • 133 implied HN points • 22 Nov 23
  1. Intel has been successful in using EUV in their Intel 4 technology
  2. The development of nodes at Intel involves extensive research, pathfinding, and process development before transferring to high-volume manufacturing
  3. Intel is progressing well with their roadmap of '5 nodes in 4 years', with Intel 4 completed and Intel 3 on track
Desystemize • 1404 implied HN points • 07 Mar 23
  1. Artificial intelligence could lead to a loss of understanding and agency in decision-making
  2. AI ethics issues stem from existing power imbalances and biases, not just the capabilities of AI systems
  3. The real concern with AI is the potential control it may have over societal institutions, impacting human autonomy and decision-making