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The most popular blog posts about science & space on Hacker News. 131 posts.
In a previous article , I already introduced manifolds and their, ahem, manifold ways. Among the many interesting comments I received about this article, some were dealing with a basic question, namely how to measure the properties of a manifold. In this article, I want to present a few concepts from Morse theory …
Yellowstone National Park maintains a collection of sounds and videos taken in the park that are in the public domain and free for anyone to use. The collection
The idea of "statistical significance" has been a basic concept in introductory statistics courses for decades. If you spend any time lookin...
Map of the cognitive science, historical from 1930 to 2020 with prehistory and future prediction. Including Psychology, Artificial Intelligence, Mathematics, Neuroscience, Biology and more.
Recently I've been discussing the details of measuring the size of the Earth by watching a shadow descending a wall at sunrise, or ascending at sunset. The sums are easy enough if you do it at either Equinox, and at the Equator, and you can read about it here:
This page contains a JavaScript calculator of Hawking radiation and other parameters of a Schwarzschild black hole.
This blog post focusses on Chapter 4 about Implicit Priming in Kahneman's book "Thinking" Fast and Slow." A review of the book and other chapters can be found here: https://replicationindex.com/2020/12/30/a-meta-scientific-perspective-on-thinking-fast-and-slow/ Daniel Kahneman's response to this blog…
[Previously in sequence: Epistemic Learned Helplessness] I. “Culture is the secret of humanity’s success” sounds like the most vapid possible thesis. The Secret Of Our Success by …
This blog post focusses on Chapter 4 about Implicit Priming in Kahneman's book "Thinking" Fast and Slow." A review of the book and other chapters can be found here: https://replicationindex.com/2020/12/30/a-meta-scientific-perspective-on-thinking-fast-and-slow/ Daniel Kahneman's response to this blog…
Last week the FDA approved esketamine for treatment-resistant depression. Let’s review how the pharmaceutical industry works: a company discovers and patents a potentially exciting new drug. …
Introduction The aim of the book, Why We Sleep, is to provide the general public access to a broad collection of sleep research. Below, I address thoughtful questions that have been raised regardin…
