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UK Now Reports Myocarditis stratified by Age & Sex After Vaccine Or Sars-cov-2
Nature Medicine paper revisited: And it is shocking
New
The latest blog posts to take off on Hacker News. 169 posts.
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Decoding James Webb Space Telescope
The James Webb Space Telescope probably needs no introduction, since it is perhaps the most important and well-known mission of the last years. It was launched on Christmas day from Kourou, French Guiana , into a direct transfer orbit to the Sun-Earth L2 Lagrange point . JWST uses S-band at 2270.5 MHz to transmit…
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CPM MagnaCut
CPM MagnaCut is a new stainless knife steel designed to be better than anything that has been available before. Is it a success?
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DNA seen through the eyes of a coder
Updates: 12th of September 2021: I’m writing a book on DNA! If you want to become a beta reader, or have suggestions, I’d love to hear from you! 8th of January 2021: This article has been revised and updated, scientifically and in terms of dead links. Revision made by Tomás Simões (@putadagravidade /…
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There’s no such thing as a tree (phylogenetically)
1 post published by Georgia Ray on May 2, 2021
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The Hyperbolic Geometry of DMT Experiences (2016)
[Content Warning: Trying to understand the contents of this essay may be mind-warping. Proceed with caution. Featured image credit: Paul Nylander] Friends, right here and now, one quantum away, the…
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Why Retaining Walls Collapse
[Note that this article is a transcript of the video embedded above.]
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Can you drill into a supervolcano to relieve pressure? (2016)
As recently as February 2016 an article in a prestigious science journal (Nature) raises the question if a nuclear blast will have a...
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The 8000th Busy Beaver number eludes ZF set theory (2016)
I’ve supervised a lot of great student projects in my nine years at MIT, but my inner nerdy teenager has never been as personally delighted by a project as it is right now. To…
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Is watching the 1984 Ghostbusters movie killing people?
Is watching the 1984 Ghostbusters movie killing people? English adults under 60 who have watched the 1984 Ghostbusters movie are dying at twice the rate of people who have watched the 2021 Ghostbusters move the same age.And have been for six months. The chart may seem unbelievable or impossible but it is correct…
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Importance of muscle mass, strength and cardiorespiratory fitness for longevity
"If you have the aspiration of kicking ass when you're 85, you can't afford to be average when you're 50." —Peter Attia
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Omicron Update: Nov 27
There is a lot of anxiety.
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The Entire History of Soviet Rocket Engines
Soviet rocket engines - this article is about their history, their development, their use and their rockets.
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New Concerning Variant: B.1.1.529
I hope everyone in the States had a fantastic Thanksgiving (even if you’re a Dallas Cowboys football fan).
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Is my cat Turing-complete?
This article is an adaptation of a Lightning Talk I gave at CppCon2021. Link here : https://www.youtube.com/watch?v=RtqTGSOdmBo
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Science upside for Starship
This blog is a direct follow up of Starship Is Still Not Understood, and is part of the series on popular misconceptions in space journalism. Now available in audio form. I think it is relatively s…
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Explanations for the Havana Syndrome
Science News, Physics, Science, Philosophy, Philosophy of Science
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An Introduction to Lagrange Multipliers
Lagrange multipliers are used in multivariable calculus to find maxima and minima of a function subject to constraints (like "find the highest elevation along the given path" or "minimize the cost of materials for a box enclosing a given volume"). It's a useful technique, but all too often it is poorly taught and…
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The Greedy Doctor Problem
TL;DR: How to reason about people who are smarter than you. A few proposals, interspersed with reinforcement learning and humorous fiction. Ending on a surprising connection to logical inductors.
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How to grow sodium chloride crystals at home
After trying for 3 years, I found a way to grow transparent, high quality sodium chloride crystals at home. Here's my procedure.
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What really happened at the Millennium Tower?
[Note that this article is a transcript of the video embedded above.] The Millennium Tower is the tallest residential building in San Francisco, with 58 stories above the ground and 419 luxury condominium units. The tower opened to residents in 2009, but even before construction was finished, engi
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When did computer science theory get so hard?
I posted on When did Math get so hard? a commenter pointed out that one can also ask When did Computer Science Theory Get so Hard? For t...
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How to make a CPU – a simple picture-based explanation
The purpose of this article is to explain how to make a CPU out of rocks and sand as fast as possible without using too many words. As the world of proprietary hardware and software crushes in around us, we risk losing the ability to make things for ourselves as individuals. It is for this reason that I felt compelled…
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Ancient secrets of computer vision
This class is a general introduction to computer vision. It covers standard techniques in image processing like filtering, edge detection, stereo, flow, etc. (old-school vision), as well as newer, machine-learning based computer vision. It was originally offered in the spring of 2018 at the University of Washington .
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Helion
I’m delighted to be investing more in Helion. Helion is by far the most promising approach to fusion I’ve seen. David and Chris are two of the most impressive founders and builders (in the sense...
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Organ transplant patients may not get dementia
When I was in college, I applied for an internship at the Huffington Post, that venerable bastion of journalism. Before my interview, I was given a spreadsheet of articles and associated view counts. I was asked to formulate and present a hypothesis about which types of articles generate the most views.