The latest blog posts to take off on Hacker News. 460 posts.
Researchers have long have puzzled over why it’s so hard to break a piece of dry spaghetti into only two pieces. A new MIT study follows up on the musings of physicist Richard Feynman, showing how and why it can be done.
LaTeX Code for Cryptographic Images.
Vincent Chen is a student at Stanford University studying Computer Science. He is also a Research Assistant at the Stanford AI Lab. -------------------------------------------------------------------------------- It’s not entirely clear what level of mathematics is necessary to get started in machine learning…
This blog shares some brief thoughts on machine learning accuracy and bias. Let’s start with some comments about a recent ACLU blog in which they ran a facial recognition trial. Using Rekognition, the ACLU built a face database using 25,000 publicly available arrest photos and then performed facial similarity searches…
The vast majority of my posts about random number generation have focused on looking at the properties of different generation schemes. But, perhaps surprisingly, the performance of your randomized a
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CMU researchers say getting political parties to equitably draw congressional district boundaries can be as easy as sharing cake.
Jepsen analyzes the safety properties of distributed systems–most notably, identifying violations of consistency models. But what are consistency models? What phenomena do they allow? What kind of consistency does a given program really need?
A completely new approach suggests the validity of the 110-year-old Lindelöf hypothesis, opening up the possibilities of new discoveries in quantum computing, number theory and cybersecurity
On 14 May 2018, Sebastiano Vigna added a page to his website (archived here) entitled “The wrap-up on PCG generators” that attempts to persuade readers to avoid various PCG generators. That day, he al
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by Andrew Boyd Today, we meet in the middle. The University of Houston's College of Engineering presents this series about the machines that make our civilization run, and the people whose ingenuity created them.
Have you ever done a puzzle that has no beginning or end? Where you don’t know up from down? Get lost in the infinite galaxy puzzle. The infinity puzzles™ are a new type of jigsaw puzzle insp…
[Note: There is a followup to this post .] There has been a lot written over the past decade (and even longer) about problems associated with null hypothesis statistical testing (NHST) and p values. Personally, I have found most of these arguments unconvincing. However, one of t
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The Sophos Blog
In this article I shall discuss several game programming techniques, all revolving around a central theme: the sine and cosine functions. This article will explain sine, cosine, vectors, atan2, and some useful special effects such as how to make homing missiles and how bitmap rotation works. I shall start with the…
Learn about public engagement activities from the American Physical Society
An interview with the author of a recent Medium piece on mathematician Paul Erdős, the mathematical degree of separation that his collaborations inspired, and Wikipedia’s gender gap.
Here is a common problem: you have some machine learning algorithm you want to use but it has these damn hyperparameters . These are number...
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Several JavaScript data structures such as Map, Set, WeakSet, and WeakMap use hash tables under the hood. This article explains how V8 v6.3 improves hash table performance.
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Discovery of the 50th known Mersenne Prime.
I’ve often thought that we could do a lot better job of explaining “advanced” mathematics concepts in simple language for the benefit of a wider audience. As a student, I never liked being told, “We’ll explain that to you next year.” As a teacher, I’ve always wanted be able to give real answers to students’…
by Erin Baldinger, University of Minnesota; Shawn Broderick, Keene State College; Eileen Murray, Montclair State University; Nick Wasserman, Columbia University; and Diana White, Contributing Editor , University of Colorado Denver.
Roger Highfield explores the beauty of mathematics at a recent event at the Science Museum
