A Mathematician’s Guide to How Contagion Spreads

Adam Kucharski wrote The Rules of Contagion before Covid-19. He talks about misinformation, bank failures, and coming up with hypotheses during a crisis.

How Cars and Hygiene Killed the Middle-Class Hat | by Hanna Brooks Olsen |

Don’t blame JFK

Ashoka’s ethical infrastructure is carved into India’s rocks | Aeon Essays

Being good is hard. How an ancient Indian emperor, horrified by the cruelty of war, created an infrastructure of goodness

How Dixie cups became the breakout startup of the 1918 pandemic

Dixie cups were the Zoom of the 1918 pandemic, and they can teach startups a lot about adapting and surviving during hard times.

Produce your own physical chips. For free. In the Open.

Did you ever dream about creating your own physical chip? Do it today. For free. Fully open source.

openhwgroup/cva6: The CORE-V CVA6 is an Application class 6-stage RISC-V CP

The CORE-V CVA6 is an Application class 6-stage RISC-V CPU capable of booting Linux - openhwgroup/cva6

Google open-sources Tsunami vulnerability scanner

Google says Tsunami is an extensible network scanner for detecting high-severity vulnerabilities with as little false-positives as possible.

Managing risk with the NASA Risk Matrix

“It’s not rocket science!” people often say. Well, sometimes, projects can be so complex, making the right decision does feel akin to rocket science. Who better to turn to than one of the biggest space agencies in the world to learn how to manage risk? There are few…

SymPy - a Python library for symbolic mathematics

A Brief History of the Lawn Chair

How a simple aluminum chair became an American icon.

Spike Map

Estimated population by county, 2016. See also the bubble map as an alternative presentation of this data, and an alternative implementation with Observable Plot. Data: American Community Survey This dataset comes from the U.S. Census API and contains three columns: the…

Entropy, Cross-Entropy, and KL-Divergence Explained!

Let us try to understand the most widely used loss function — Cross-Entropy.

Open source process design kit for usage with SkyWater Foundry's 130nm node

Open source process design kit for usage with SkyWater Technology Foundry's 130nm node. - google/skywater-pdk

CapRover · Scalable, Free and Self-hosted PaaS!

Scalable, Free and Self-hosted PaaS!

Part 5: Fast Approximate Matrix Profiles with STUMPY

Roughly Accurate Matrix Profiles Computed in a Fraction of the Time

The Not-So-Simple Life

The farm-to-table frenzy has thousands of urbanites trading in their desks for the idylls of agriculture. But one eager young couple learns the hard way that organic utopia is easier dreamed than achieved.

The Stranger-Than-Fiction Secret History of Prog-Rock Icon Rick Wakeman

The Yes keyboardist defined Spinal Tap–esque excess, until he staked everything on his eccentric dream of an Arthurian rock opera on ice. Now, the tale of his epic spiral and long, slow comeback can finally be told.

Debt: the First 5000 Years

I recently read Debt: the First 5000 Years by David Graeber, and it has stuck on my mind for a while. It’s one of those “Everybody is wrong about X, here is what you’ve missed in plain sight” -type…

The Wondrous Lives of Julius Shapiro

He was a Lower East Side gangster, wartime chemical researcher and secretive color television pioneer. An inquisitive daughter wants the full story, but he would rather drink his coffee and read his book in peace.

Calculus for the Beginner— Building Calculus, Piece by Piece

Understanding the beauty of calculus

What’s After PAM-4?

Second of two parts: Parallel vs. serial options

The Jewel of the Matrix: A Deep Dive Into Eigenvalues & Eigenvectors

An intuitive look at the abstract concept

The Most Famous Loop – alexdanco.com

Kevin Kwok had a great essay the other day on Figma, and how its runaway success is based on hundreds of successful loops baked into its product and business model: Why Figma Wins | Kevin Kwok It g…

How to Create a Disposable Email Address with Gmail

Temporary, disposable email addresses help keep spam out of your main inbox and are really useful when you don't want to give your real email address on the Internet

The Singular Value Decomposition without Algebra

Understand the Ultimate Linear Algebra concept with Geometry

A curated list with Ruby gems | LibHunt

137 categories including 1319 gems and resources.

3 Key Differences Between Merge and Concat Functions of Pandas

When and how to use which.

Part 4: Semantic Segmentation

Identifying Change Points in Time Series Data with FLUSS and FLOSS

Solving a Chicken and Egg Problem: Expectation-Maximization (EM)

The Intuition Behind the Popular Expectation-Maximization Algorithm with Example Code

Ultimate PySpark Cheat Sheet

A short guide to the PySpark DataFrames API

Deep dive into ROC-AUC

deep dive into ROC-AUC

10 Techniques to Speed Up Python Runtime

Compare good writing style and bad writing style with the code runtime

How Sklearn’s “TF-IDF” is different from the standard “TF-IDF”?

Let ‘s go see the differences and analyze step by step the approach which is taken to compute the Sklearn’s TF-IDF

EmailThis/ansible-rails: Ruby on Rails deployment using Ansible - with Lets

Ruby on Rails deployment using Ansible - with Lets Encrypt, Sidekiq, PostgreSQL, nginx & puma - EmailThis/ansible-rails

YOLOv5 is Here: State-of-the-Art Object Detection at 140 FPS

Less than 50 days after the release YOLOv4, YOLOv5 improves accessibility for realtime object detection. June 29, YOLOv5 has released the first official version of the repository. We wrote a new deep dive on YOLOv5. June 12, 8:08 AM CDT Update: In response to to community…

CMOSedu.com

Overview of data distributions

With so many types of data distributions to consider in data science, how do you choose the right one to model your data? This guide will overview the most important distributions you should be familiar with in your work.

Neat Tricks to Boost Your Genetic Algorithms

Genetic Algorithm (or Evolutionary Algorithm) — A simple, yet very powerful optimization technique which has seen resurgence in popularity…

A quick refresher of statistical power

An easy-to-follow guide next time you forget how to do power calculations

12 Main Dropout Methods : Mathematical and Visual Explanation

Deep Dive into DNNs, CNNs, and RNNs Dropout Methods for Regularization, Monte Carlo Uncertainty, and Model Compression

22 Life Lessons I Learned From My Mentors That Every Person Should Know - Darius Foroux

I’ve been blessed to meet insightful people and mentors. If you want to learn from people you look up to, observe them.

Variational Gaussian Process — What To Do When Things Are Not Gaussian

Learn to use non-Gaussian distributions in Gaussian Process models, and variational inference with Gaussian quadrature to compute…

How Is the Laplace Transform Used in Circuit Design?

In this article, we briefly review how the Laplace transform can help us solve circuits involving damped and steady-state sinusoidal signals.

Using Enumerated Types in Python

A Visual Explanation of Gradient Descent Methods (Momentum, AdaGrad, RMSPro

Why can AdaGrad escape saddle point? Why is Adam usually better? In a race down different terrains, which will win?

Understand zip() — A Hidden Gem in Python

Effectively merge an unknown number of lists

Game Theory

Game Theory is the study of micro-situations where each situation demands a decision that

Dimensionality Reduction in Hyperspectral Images using Python

Dimensionality Reduction Techniques for Hyperspectral Images.

Image Augmentation Mastering: 15 Techniques and Useful Functions with Pyth

Smooth python codes to augment your image datasets by yourself.

Multiclass Classification with Support Vector Machines (SVM), Kernel Trick

Understanding the mathematic behind SVM + Implementation in Python via scikit-learn