The hottest Engineering Substack posts right now

And their main takeaways
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Understanding Software Idempotency [Math Mondays]

Technology Made Simple • 119 implied HN points • 11 Dec 23
🕹 Technology Software Math Engineering Systems Programming
  1. Idempotency ensures the same output regardless of how many times an operation is executed, providing data consistency and preventing duplicate operations.
  2. Idempotency is crucial for resilience, scalability, performance, simplicity, and provability in software systems.
  3. Implementing idempotency involves using unique identifiers, versioning, transaction management, and leveraging HTTP methods, offering benefits like better error handling and faster response times.

The Startup CTO's Handbook | Zach Goldberg

Dev Interrupted • 37 implied HN points • 20 Feb 24
🕹 Technology Engineering Leadership AI Metrics Development
  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.

Of Hurricanes and Heroes

Litverse • 139 implied HN points • 11 Nov 23
💾 History Entrepreneurs Hurricanes Florida Engineering
  1. Henry Flagler's influence on the development of modern Florida was significant, as seen through his investments in hotels, railroads, and the Overseas Railroad.
  2. Flagler's ambitious vision to connect New York City to Key West with the Overseas Railroad faced challenges like hurricanes, but his determination to overcome these obstacles was unwavering.
  3. The tragic events surrounding the Overseas Railroad, including the impact of the 1935 Labor Day Hurricane, highlight the complex legacy of Flagler's monumental engineering feat.
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Engineering Antibodies to Avoid Escape Mutants

Axial • 22 implied HN points • 03 Mar 24
🔬 Science Antibodies Engineering Immune System
  1. Combining antibodies directed at different viral targets helps neutralize infections like hepatitis B virus and RSV more effectively.
  2. Serial passage of virally infected cells during preclinical development helps ensure the continued efficacy of antibody combinations.
  3. Engineering antibodies through genetic manipulation can enhance effector functions and improve target specificity, increasing their efficacy in fighting infections.

Unpacking Okta's Tech Architecture | Monica Bajaj - VP Developer Experience & Mark T. Voelker - VP Architecture at Okta

platocommunity • 39 implied HN points • 01 Feb 24
🕹 Technology Architecture Engineering Tech stack Scaling Documentation
  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.

Fear of Oozification

Breaking Smart • 130 implied HN points • 30 Sep 23
🕹 Technology Evolution AI Technological Change Engineering Fear
  1. Oozification, a process driving technological evolution, is making the future less certain and more complex.
  2. Swamps represent evolutionary vigor and the potential for radical change, showcasing the dual nature of stability and destabilization.
  3. All technology undergoes oozification, transforming into more elemental building blocks and increasing evolutionary potential.

How Cloudflare fails

Frankly Speaking • 254 implied HN points • 13 Jun 23
🕹 Technology Security Engineering Networking
  1. Companies are focusing more on engineering-focused security functions to become efficient.
  2. Cloudflare is seen as an underrated security company with a strong engineering following.
  3. Cloudflare transformed from a CDN company to offering security services like WAF, SWG, and email security.

Dan Easton - GEET Gotchas & Tips

Remote View • 275 implied HN points • 25 Feb 23
🕹 Technology Engineering Innovation Meetup
  1. Experienced GEET engineer Dan Easton shared valuable information in a live call to help people building GEET modified engines.
  2. The forum allowed individuals to share experiences and address questions about GEET technology.
  3. Henk Jurrien highlighted the importance of not using brass on exhaust pipes in GEET reactors.

Moore's Law Changed Our Lives Forever: Rest in Peace Gordon Moore

Mule’s Musings • 256 implied HN points • 25 Mar 23
🕹 Technology Semiconductors Computing Innovation Engineering Legacy
  1. Moore's Law drove massive technological progress and changed our lives significantly
  2. Moore's Law enabled the rapid advancement of communication, entertainment, and healthcare
  3. Moore's Law was an aspiration upheld by the semiconductor industry, not a scientific law, but its impact on technology and progress remains profound

Calibrating circuits

Only Wonder Knows • 19 implied HN points • 09 Feb 24
🔬 Science Physics Chemistry Engineering Technology Research
  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.

AI Safety: Is AI The Genie Or The Lamp?

jonstokes.com • 237 implied HN points • 01 May 23
🕹 Technology AI Ethics Policy Engineering Regulation
  1. AI safety involves the debate between AI as a tool or an agent, impacting approaches to AI explainability and safety.
  2. There are conflicting folk conceptions of alignment, including individualist and collectivist perspectives centered around control.
  3. The distinction of viewing AI as the genie or the lamp, as an agent with goals or as a software tool, is crucial in shaping AI safety discussions and applications.

O-Day - Explaining Frank Polifka's Windhexe

Remote View • 216 implied HN points • 30 Mar 23
🔬 Science Technology Physics Engineering Chemistry Biology
  1. A technology called Windhexe can turn various materials into powder, even turning gravel to dust and reducing waste into powder.
  2. The Windhexe device functions by creating a tornado-like vortex in a chamber, causing materials to be smashed and pulverized into tiny particles.
  3. Windhexe technology has been used by different companies for processing food wastes, manufacturing debris, and even for drying materials quickly.

How SMS Fraud Works and How to Guard Against It

Mindful Musings • 206 HN points • 28 Feb 23
🕹 Technology Security Fraud Engineering Data Protection API
  1. Understanding how SMS fraud works involves premium phone numbers, gaming for profit, and exploiting vulnerabilities in services.
  2. Protecting against SMS fraud can involve measures like obfuscating endpoints, blocking sketchy IPs, and implementing rate-limiting on SMS sending.
  3. Twilio has the potential to offer SMS fraud protection using data on fraudulent numbers and carriers.