The hottest Experimentation Substack posts right now

And their main takeaways
Category
Top Business Topics

A running doc with my little thoughts

Both Are True • 49 implied HN points • 18 Feb 25
🎭️ Culture Writing Communication Personal Growth Creativity Experimentation
  1. Writing for an audience can improve your ideas and make them more engaging. It helps you see your thoughts in a different light.
  2. Keeping a log of your thoughts can be a great way to capture ideas that may turn into bigger projects later on.
  3. Sharing your ideas in a way that others can interact with can lead to interesting discussions and feedback.

What If We Chose Leaders by Lottery?

Granted • 10781 implied HN points • 25 Aug 23
🇺🇸 U.S. Politics Reforms Democracy Experimentation
  1. The current system for selecting public officials is flawed and often attracts self-serving candidates.
  2. Radical proposals like selecting leaders by lottery can spark important conversations about improving our electoral system.
  3. Experimenting with alternative methods of choosing leaders is necessary to attract and elect better officials.

The Explore That Cannot Fail Is Not An Explore

Software Design: Tidy First? • 375 implied HN points • 17 Dec 24
🕹 Technology Software Design User Behavior Product Development Experimentation Externalities
  1. Exploring new ideas is important, but they should be tested carefully to see if they work.
  2. Sometimes, even if an idea works, it might have negative side effects that aren't worth it.
  3. The best experiments are those that try new things without risking too much; it's all about learning and improving.

How to Measure Molecules

Asimov Press • 367 implied HN points • 17 Nov 24
🔬 Science Physics Chemistry History Experimentation Mathematics
  1. In the late 19th century, Lord Rayleigh measured the size of a single molecule using simple materials like oil and water. This clever experiment showed how basic observations can lead to important scientific discoveries.
  2. Benjamin Franklin also made significant observations about oil on water in the 18th century, but he didn't calculate the size of molecules. His work laid the groundwork for future scientists like Rayleigh.
  3. Rayleigh's experiment demonstrated that you don’t always need complex tools to make groundbreaking discoveries. Even simple experiments can provide valuable insights that inspire later research.

The Open/Closed/Open Principle

Software Design: Tidy First? • 1634 implied HN points • 12 Mar 24
🕹 Technology Software Design Isolation Experimentation
  1. In software design, there are ordinary phases (small changes) and revolutionary phases (fundamental changes) - understanding when each is needed is important.
  2. Revolutionary design violates the open/closed principle by requiring new elements and relationships that don't fit with the existing design.
  3. Revolutionary changes in design require different values and care compared to ordinary design - they are essential for accommodating new types of features.
Get a weekly roundup of the best Substack posts, by hacker news affinity:

3.2 Michael Faraday

Fields & Energy • 359 implied HN points • 12 Mar 24
🔬 Science Physics Electromagnetism History Innovation Experimentation
  1. Michael Faraday discovered that moving magnets can create electricity, a process called induction. This was a major breakthrough in understanding how electricity and magnetism work together.
  2. Faraday also introduced the idea of 'lines of force' to visualize magnetic fields. This concept helps us understand the direction and strength of magnetic effects.
  3. He believed scientific discoveries should come from direct observations of nature, not just complicated math. Faraday's practical experiments made him one of the great experimental physicists.

3.1 The Discovery of Electromagnetism

Fields & Energy • 239 implied HN points • 06 Mar 24
🔬 Science Physics Mathematics Electromagnetism History Experimentation
  1. Hans Christian Örsted proved that electricity and magnetism are connected by running a current near a compass, making them part of the same field called electromagnetism.
  2. André-Marie Ampère built on Örsted's work, showing that moving electric currents can attract or repel each other just like magnets do.
  3. Many scientists assumed forces acted at a distance, but Michael Faraday later suggested that closer particles must interact to create these forces.

Erika Updates #0: A Publishing Experiment

Erika’s Newsletter • 550 implied HN points • 15 Feb 23
🔬 Science Experimentation
  1. The author conducted an experiment on releasing updates publicly to provide insight into her research process.
  2. The experiment showcased how traditional scientific publishing differs from immediate updates in terms of production, readability, and narrative.
  3. The project involved expanding the genetic code to include more chemically diverse amino acids, holding potential for engineering better proteins.

Plant rennet: experiments with Calotropis Procera during my stay at Camel Charisma.

Milk Trekker • 176 implied HN points • 10 Jan 24
🍲 Food & Drink Experimentation
  1. Experimenting with plant rennets in cheesemaking can yield unique flavors and textures, but may require different techniques than traditional animal rennet.
  2. Using local medicinal plants for cheese production can be intriguing, but caution should be exercised due to potential toxic compounds.
  3. Working with plant rennets can be a delicate process, requiring specific ranges of temperature, acidity, and milk type.

Fast Biology

Asimov Press • 270 implied HN points • 20 Feb 24
🔬 Science Biology Physics Mathematics Experimentation
  1. The concept of viewing time differently through the lens of the Minute Man and the Millennium Man prompts questions about our understanding of speed and time in the world.
  2. Biological processes at the cellular level can occur at astonishing speeds, with enzymes performing millions of chemical reactions per second and protein 'motors' spinning thousands of times a minute.
  3. Scientists use innovative experiments to directly observe rapid biological processes, such as watching ATP synthase spin or tracking ribosomes moving along messenger RNA strands, to gain a deeper understanding of the intricate workings of life.

Embracing the New Era of Accelerated Testing - Issue 150

Data Analysis Journal • 235 implied HN points • 28 Jun 23
🕹 Technology Data science Analytics A/B Testing Experimentation Tooling
  1. Embracing accelerated testing in the modern data analysis landscape is essential for success.
  2. The current traditional academic workflow for A/B testing may not be suitable for the evolving landscape of experimentation.
  3. To thrive in the era of rapid feature flagging and A/B testing, teams need to adapt by automating statistical checks, simplifying documentation, and eliminating bias.

Anomalous Radioactive Variations

Remote View • 196 implied HN points • 29 Mar 23
🔬 Science Research Experimentation Data Analysis Astrophysics
  1. Joe Parr conducted experiments with pyramids and radioactive sources, noting cyclical variations in radioactive counts possibly linked to moon phases and solar activity.
  2. Parr's hypothesis of a 'hyperspace bubble' forming around the pyramid passing through magnetic fields is based on anomalous events in the data.
  3. The test setups involved rotating pyramids between magnetic fields, with a sophisticated setup to measure radioactive counts and variations.

Find Optimal Learning Rates for Stable Diffusion Fine-tunes

followfox.ai’s Newsletter • 157 implied HN points • 13 Mar 23
🕹 Technology Machine Learning Data Analysis Experimentation Optimization Model Training
  1. Estimate the minimum and maximum learning rate values by observing when the loss decreases and increases during training.
  2. Choosing learning rates within the estimated range can optimize model training.
  3. Validating learning rate ranges and fine-tuning with different datasets can improve model flexibility and accuracy.

Revolutionizing Data Science: The Latest Trends in Automation, Experimentation, and Language Model Evaluation

Gradient Flow • 259 implied HN points • 26 Jan 23
🕹 Technology Data science Automation Experimentation Language Models
  1. The need for tools to help developers pick models that fit their needs and understand model limitations as general-purpose models are widely used.
  2. Data science teams are tackling automation and early examples targets aspects of projects like modeling and coding assistance, but further advancements are needed.
  3. There's a shortage of research and tools for experimentation and optimization in data science, creating opportunities for entrepreneurs to deliver innovative solutions.

Group Assignment in a Frontend vs. Backend A/B Test

Sarah's Newsletter • 99 implied HN points • 19 Sep 23
🕹 Technology Experimentation UI/UX Data Analysis Frontend Backend
  1. Decide which product feature should be behind a test, read the results of an A/B test, prioritize features based on data
  2. Understand that frontend tests focus on user experience and user groups in the browser, while backend tests require business logic and user assignment in the database
  3. Choose frontend user group assignment for speed and simplicity via firing analytics events; go for backend assignment for more complete data by storing user assignment in a database model

What the Law of Attraction has to offer Type A's

The Leadership Lab • 78 implied HN points • 24 Sep 23
🏥 Health & Wellness Wellness Learning Psychology Self-Improvement Experimentation
  1. Belief in things happening without direct involvement can be beneficial for Type A personalities, promoting trust and allowing for more enjoyable journeys.
  2. High performers often have an unwavering belief in achieving their goals, which boosts resilience and positivity in difficult times.
  3. Balancing fundamental knowledge with experimentation is key for optimal learning, as relying solely on hacks or fundamentals can lead to stagnation.

Product-led marketing to reach 400,000 users

Kyle Poyar’s Growth Unhinged • 283 implied HN points • 17 May 23
💼 Business Marketing Data Analytics Messaging Experimentation Focus
  1. Product-led marketing involves aligning the product, marketing, and customer success for growth.
  2. Focus on user intent and eliminate unnecessary distractions in marketing efforts.
  3. Layer in the right messaging, experiment, triage, choose your battles wisely, and stay focused to reach milestones like 400,000 users.

The Region-Beta Paradox and its Impact on Product and Experimentation Thinking

CAUSL Effect • 119 implied HN points • 12 Apr 23
💼 Business Product Development User Experience Psychology Market fit Experimentation
  1. The Region-Beta Paradox shows that people often tolerate mild discomfort until they reach a more intense state, which can lead to faster recovery. In simple terms, we might ignore small problems until they become serious.
  2. This idea can change how product teams think about improving customer experiences. Instead of aiming for perfect satisfaction, it might be okay to allow for some mild frustration, as it can be a signal for customers to take action.
  3. Not all products need to be perfect to be successful. Sometimes, a product that fits well in the market is more important than one that delivers an ideal experience but lacks user interest.

Optionality — The power of smart options and experiments

10x your mind • 19 implied HN points • 07 Mar 24
🚌 Education Skill development Learning methods Personal Growth Experimentation Decision-making
  1. Optionality is about having backup plans for complex problems, not just deciding between simple choices like ice cream flavors.
  2. Smart options should be non-obligatory and allow for decisions after outcomes, helping increase luck in various aspects of life.
  3. Practice optionality for potentially unlimited gains with limited losses by exploring new opportunities and treating each option as an experiment.

p < 0.05 considered harmful

Simplicity is SOTA • 122 HN points • 10 Apr 23
🔬 Science Experimentation Statistical Analysis Decision-making Tech industry
  1. The standard use of p < 0.05 as a threshold in experiment analysis may not be as useful as commonly believed.
  2. The choice of p < 0.05 as a significance level in experiments is a default that was set nearly a century ago.
  3. In the tech industry, where the goal is to find real product improvements, the risk of false negatives should also be carefully considered, not just false positives.

Lessons from a failed experiment

Sunday Letters • 19 implied HN points • 20 Aug 23
🔬 Science Research Innovation Theory Experimentation Education
  1. People often trust the old experts too much, which can block new ideas. It's important to stay open to new possibilities, even if they seem strange.
  2. In science, we tend to only celebrate successful discoveries, while failed experiments often get ignored. Both successes and failures are essential for learning.
  3. Being open minded and willing to be wrong is key to making groundbreaking discoveries. Sometimes, you have to fail many times before you find something that works.

A/B Testing Paradox: UX Maturity Reduces Your Gains

Jakob Nielsen on UX • 15 implied HN points • 13 Mar 24
🕹 Technology UX Design Analytics ROI Experimentation
  1. In A/B testing, the average uplift from design changes is small, about 0.15%, with 54% of cases showing improvements of 0.5%.
  2. Only 19% of experiments result in statistically significant gains, with an average lift of 1.0% across those cases.
  3. As companies mature in UX, gains from design experimentation may decrease over time due to the nature of tested designs and the diminishing low-hanging fruit.

Experiments in style: Reversed words

Eclecticism: Reflections on literature, writing and life • 5 implied HN points • 18 Feb 24
📚 Literature Writing Style Experimentation
  1. Experimenting with reworking text into different styles can be a fun and creative writing exercise.
  2. Tools like reversing the order of letters in words can lead to unique and interesting word combinations for storytelling.
  3. Exploring experimental writing styles can spark new ideas and provide fresh perspectives for writers.