The hottest Education Substack posts right now

And their main takeaways
Category
Top Education Topics
Wadds Inc. newsletter β€’ 19 implied HN points β€’ 15 Jun 23
  1. Research management software needs to improve. Many current options just store information but don't help in building knowledge.
  2. Using tools like Notion can improve how you track and review research materials. You can create a system that organizes and summarizes papers effectively.
  3. It's important to find smarter tools and methods for research management instead of just using what's popular. Breaking tasks down can help you work better and more efficiently.
The Discourse Lounge β€’ 95 HN points β€’ 20 Mar 23
  1. The racial wealth gap in the Bay Area is reflected in the poor educational outcomes for Black students.
  2. Many Black high school students in San Francisco struggle with basic literacy skills, impacting their future opportunities.
  3. Addressing racial income gaps and educational disparities is crucial for the future success of young Black individuals in the Bay Area.
The Small Business Corner β€’ 2 HN points β€’ 04 Jun 24
  1. Focusing on mastering one field with intense focus and dedication can lead to true greatness and success.
  2. Building a diverse skill set by combining mediocre skills can also create a powerful market force and open up new opportunities.
  3. Balancing deep expertise in one field with additional skills can help navigate uncertainty, attract more opportunities, and create something unique.
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Technology Made Simple β€’ 39 implied HN points β€’ 26 May 22
  1. Identifying a 'celebrity' in a group where everyone knows them but they know no one involves a logic puzzle with time complexity considerations.
  2. A key to solving the 'celebrity' problem efficiently is using the 'knows' method and a strategy to identify the person in O(N) time.
  3. Engaging with the author's content can involve liking posts, participating in surveys, or supporting them via Substack features.
A Bit Gamey β€’ 20 implied HN points β€’ 08 Dec 24
  1. Reading books can change how you think and help you grow. They take you into different worlds, making learning fun.
  2. Doing what you love can feel like play, even if it looks like work to others. Finding joy in your tasks can lead to success.
  3. Explaining things simply shows that you truly understand them well. It helps you communicate better and learn more effectively.
Day One β€’ 139 implied HN points β€’ 23 Jun 20
  1. A newsletter about learning skills for free is available on the Ajulu website.
  2. There was a glitch where the newsletter readers did not receive the email, so the content was only on the website.
  3. To access the content on learning skills for free, click the provided link.
Technology Made Simple β€’ 39 implied HN points β€’ 10 May 22
  1. Recurrence relations are crucial in Computer Science and Discrete Math, defining the basis of Time Complexity.
  2. Understanding recurrence relations makes it easier to analyze code efficiency and computational requirements.
  3. By practicing common functions like sorting, searching, and analyzing their recurrence behavior, you can easily compute time complexity.
The Palindrome β€’ 1 implied HN point β€’ 23 Dec 25
  1. The most-read posts emphasize math and foundational CS for machine learning, covering topics like a mathematics roadmap, algorithmic analysis, graph theory, and practical skills such as coding on paper and representing graphs.
  2. A holiday promotion offers a 30% lifetime discount on the annual paid subscription, which unlocks paid-only content and helps fund more math and machine learning material for the community.
  3. Subscriber-count milestones will unlock community perks (mini-courses, a dedicated Manim animator, and a full-time writer), and the publication invites feedback while planning to expand and reinvest in 2026.
Technology Made Simple β€’ 39 implied HN points β€’ 27 Apr 22
  1. Start by solving edge/base cases to warm up your mind and gain momentum for complex problems
  2. Run through hypothetical solutions manually to gain intuition and avoid getting stuck on challenging coding problems
  3. After understanding 'what' your solution does, focus on 'how' to implement it using modular and incremental coding
Outlandish Claims β€’ 1 HN point β€’ 10 Jul 24
  1. In language, marking certain traits as different or special allows us to understand norms. This concept of 'markedness' plays a significant role in societal perceptions.
  2. An unmarked system can hide problems or biases. For example, schools being seen as the norm might overlook issues like sexual abuse within them.
  3. Standardized education doesn't always equate to real-life success. Studies show homeschooled children, often considered 'marked,' can perform similarly or better academically.
White Hot Harlots β€’ 3 HN points β€’ 23 Apr 24
  1. The poor state of students' mental health and academic achievement in higher education is not primarily due to identity issues or campus protests, but rather stems from decades of mismanagement.
  2. Higher education institutions are facing severe challenges such as overwhelming class sizes, underpaid contingent faculty, and a shift towards standardized, impersonal tech-driven teaching methods.
  3. Students are grappling with a lack of basic computer skills due to the appification of technology, lack of access to computer labs, and centralization of teaching methods leading to a decline in understanding fundamental concepts.
The Palindrome β€’ 7 implied HN points β€’ 25 Jun 25
  1. Mastery takes time and effort. There are no shortcuts, so you need to be willing to put in the work to really understand something.
  2. Breaking rules can lead to new discoveries, but you need to know the rules well first. It's like finding a tiny crack in a tough problem to solve it.
  3. Learning is often best done by solving problems yourself. Getting hands-on experience helps deepen your understanding and skills.
Technology Made Simple β€’ 39 implied HN points β€’ 21 Apr 22
  1. The problem discussed involves finding safe nodes in a directed graph where every path from the node leads to a terminal node. It's important to identify safe and terminal nodes in the graph.
  2. The solution to the problem should return an array of safe nodes sorted in ascending order. It's crucial to sort the output for easy analysis and comparison.
  3. By focusing on graph exploration techniques like reachability and cycle detection using DFS can help in solving similar problems efficiently. These techniques are essential for navigating through complex graphs.
Logos and Liberty β€’ 1 HN point β€’ 09 Jul 24
  1. The earnings gap between men and women often results from 'couple inequity' caused by demanding work environments that are incompatible with caregiving responsibilities.
  2. Couples face difficult tradeoffs between equity and financial security due to the structure of workplaces, like 'greedy work' and 'up or out' promotion policies.
  3. Solutions to reduce the gender earnings gap include increasing flexibility in jobs, lessening the cost of childcare, and changing societal norms around gender roles and caregiving responsibilities.
Infinitely More β€’ 15 implied HN points β€’ 20 Jan 25
  1. Finding Fifteen is a game where two players try to pick numbers that add up to 15. It's a fun way to learn about strategy and competition.
  2. Players take turns choosing numbers between 1 and 9, and they can't repeat numbers. The first player to use three numbers that sum to 15 wins.
  3. Some moves can be forced, meaning players may have to make certain choices to avoid losing immediately. This adds a layer of strategy to the game.
State of the Future β€’ 7 implied HN points β€’ 12 Jun 25
  1. Online education models like Bina School can lower costs by removing the need for physical buildings and administrative overhead that traditional schools have. This could push regular schools to rethink their business models.
  2. Instead of just preparing students for specific jobs, education should focus on helping them become adaptable, decision-making individuals. This means measuring success in new ways, beyond just test scores.
  3. The merging of education and publishing will change how content is delivered. Schools could become more responsive ecosystems, using real-time data to tailor learning experiences to students' needs.
Technology Made Simple β€’ 39 implied HN points β€’ 12 Apr 22
  1. Mathematical Induction is a technique for proving statements by starting with a base case and progressing through inductive steps. It forms the foundation for recursion.
  2. Both Mathematical Induction and recursion rely on base cases, operate on discrete domains, and reduce problems to already proven statements. They are like mirror images of each other in problem-solving.
  3. Understanding Mathematical Induction can greatly improve recursion skills as they share similar problem-solving approaches. Practicing PMI questions can enhance recursion proficiency.
Polymathic Being β€’ 54 implied HN points β€’ 12 Nov 23
  1. In war, success requires looking at targets in front of you and those over the horizon.
  2. In technology and business, it's important to focus not just on immediate targets, but also on targets further away.
  3. Systems thinking involves engaging deeply across domains to find solutions for complex problems, even those that are not immediately visible.
Technology Made Simple β€’ 39 implied HN points β€’ 08 Apr 22
  1. The problem revolves around maximizing the average pass ratio in multiple classes by strategically assigning extra students
  2. The key is to calculate the gain from adding a single extra student to each class and then determine which class benefits the most
  3. Breaking down complex problems into specific well-defined subproblems can make them more manageable and easier to solve
I Might Be Wrong β€’ 15 implied HN points β€’ 16 Jan 25
  1. Without grades, college can become a joke, leading many students to slack off instead of genuinely engaging with learning. It’s important to have some accountability to encourage real effort.
  2. Professors often pass students regardless of their actual participation or effort, which undermines the purpose of education and makes it hard to assess true performance.
  3. To improve education, grades need to mean something again so that employers can better understand which students truly excel and which do not. Making grades meaningful is a better alternative than removing them altogether.
Pekingnology β€’ 64 implied HN points β€’ 22 Jul 23
  1. University admissions in China heavily favor local candidates over non-local candidates.
  2. The application process for university and graduate school in China involves filling in target schools and majors before test scores are known, which can be confusing.
  3. Choosing a university, major, and program that align with personal strengths and future livelihood is crucial for non-elite undergraduates in China.
Quantum Formalism β€’ 39 implied HN points β€’ 09 Mar 22
  1. Start with the 'Foundation Module' YouTube playlist for basics on finite-dimensional Hilbert spaces and quantum mechanics postulates
  2. Consider auditing crash courses on topics like Topology & Differential Geometry for Lie Groups and Group Theory for advanced knowledge
  3. Exploring topics like smooth manifolds and Group Theory can be valuable not just in quantum computation but also in applied fields like ML and Cryptography
Technology Made Simple β€’ 39 implied HN points β€’ 13 Mar 22
  1. The newsletter is now going daily, offering a comprehensive schedule for coding interview preparation.
  2. The schedule includes themed days like Math Monday and Technique Tuesday, covering important aspects of coding interviews.
  3. Premium subscribers gain access to in-depth solutions, stories, and system design discussions, enhancing their interview preparation.
Wayne's Earth β€’ 7 HN points β€’ 26 Dec 23
  1. The Gell-Mann Amnesia effect points out how we tend to doubt news within our expertise but believe information outside of it, showing inconsistencies in our media perception.
  2. Cognitive biases like confirmation bias and the Dunning-Kruger effect play a role in why we selectively scrutinize information based on our expertise.
  3. In the digital age, the internet and social media have intensified the Gell-Mann Amnesia effect, making it crucial for individuals to cultivate critical thinking and media literacy to navigate the vast sea of information.
ThΓ‘i | Hacker | Kα»Ή sΖ° tin tαΊ·c β€’ 99 implied HN points β€’ 31 Dec 20
  1. Independent thinking involves evaluating and verifying information before forming an opinion
  2. Learning and emulating others through books and the internet can help foster independent thinking
  3. Being critical of oneself and choosing what to think about can aid in developing independent thinking in a world full of distractions
ThΓ‘i | Hacker | Kα»Ή sΖ° tin tαΊ·c β€’ 119 implied HN points β€’ 05 Aug 20
  1. Jonny Kim has had an impressive career path, transitioning from a Navy SEAL to a Harvard Medical School graduate to now being an astronaut at NASA.
  2. Becoming a SEAL, graduating from Harvard Medical School, and becoming an astronaut at NASA are all remarkable achievements that require exceptional dedication and hard work.
  3. Jonny Kim's journey showcases how determination, hard work, and resilience can help overcome challenges and achieve remarkable success.
Infinitely More β€’ 17 implied HN points β€’ 17 Nov 24
  1. A permutation is just a way to rearrange a list of objects. For example, with three letters like 'a', 'b', and 'c', you can arrange them in six different ways.
  2. The factorial of a number shows how many ways you can arrange that many objects. For example, 5! equals 120 because it's 5 times 4 times 3 times 2 times 1.
  3. When choosing items from a group without caring about the order, we use combinations. The formula for this is called 'n choose k', which helps calculate how many ways you can select items.
Technology Made Simple β€’ 39 implied HN points β€’ 15 Feb 22
  1. Topological sort is an important concept for solving interview questions and can help with understanding various problems.
  2. Focusing on quality over quantity in coding practice and targeted improvement is key for successful Leetcode preparation.
  3. Engaging with a community, following quality resources, and practicing mock interviews can greatly enhance your coding and interview skills.
a newsletter for infovores. β€’ 65 HN points β€’ 31 May 23
  1. Bryan Caplan's argument against education may not have strong evidence to support it, putting the burden of proof on Caplanites.
  2. The sheepskin effect might not only be due to signaling but could have other explanations, suggesting the need for more scrutiny.
  3. Schools not only signal intelligence but also teach conformity, which is valued by employers.