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Viktor T. Toth
This page contains a JavaScript calculator of Hawking radiation and other parameters of a Schwarzschild black hole.
New
The latest blog posts to take off on Hacker News. 2,038 posts.
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Scott’s Supreme Quantum Supremacy FAQ
You’ve seen the stories—in the Financial Times, Technology Review, CNET, Facebook, Reddit, Twitter, or elsewhere—saying that a group at Google has now achieved quantum computation…
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Against Against Pseudoaddiction
I. “Pseudoaddiction” is one of the standard beats every article on the opioid crisis has to hit. Pharma companies (the story goes) invented a concept called “pseudoaddiction”…
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Our Brains Are Not Multi-Threaded
In computer programming, it’s common to split your program into multiple different threads that run simultaneously, as this often simplifies application design. Imagine, for example, ... Read more
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Time to Abolish "Statistical Significance"?
The idea of "statistical significance" has been a basic concept in introductory statistics courses for decades. If you spend any time lookin...
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The exponential function is a miracle
From the highly eclectic blog of Mark Dominus
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It’s not just p=0.048 vs. p=0.052
Peter Dorman points to this post on statistical significance and p-values by Timothy Taylor, editor of the Journal of Economic Perspectives, a highly influential publication of the American Economic Association.
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A Molecular Near Miss
I’m thrilled to report that I’m a co-author of the article “ An ultra-stable gold-coordinated protein cage displaying reversible assembly “, which was recently published in Nature . This work is the result of an exciting collaboration between biochemists, physicists, structural biologists, mathematicians, and others…
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Civilizational Collapse, Part 4
This is part 4 of an intermittent yet always enjoyable series: • Part 1: the rise of the ancient Puebloan civilization in the American Southwest from 10,000 BC to 750 AD. • Part 2: the rise and col…
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How do black holes destroy information and why is that a problem?
Science News, Physics, Science, Philosophy, Philosophy of Science
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Curve fitting A: Linear Least Squares
The graph on the left shows a third example, taken from analytical chemistry: a straight-line calibration data set where X = concentration and Y = instrument reading (Y = a + b X). Click to download that data . The blue dots are the data points. They don't all fall in a perfect straight line because of random noise…
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A Look at Overnight Stays at US National Parks
Explore overnight stays at US National Parks and uncover surprising patterns.
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Misunderstanding Dunning-Kruger
There is, apparently, an increase recently in interest in the Dunning-Kruger effect. The Washington Post writes about this recently, making the obvious political observation (having to do with the current occupant of the White House). It's great that there is public interest in an important psychological phenomenon…
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Alpha Compositing
Interactive article explaining alpha compositing concepts.
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Everything You Should Know About Sound (2016)
We all know what sound is. Except actually, no we don't. Let's fix that.
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Investigating the Galileo Satellite Navigation System Outage with a LimeSDR
You may have already heard that the Galileo EU satellite navigation constellation is out of service since last Thursday July 11th. Currently the Galileo constellation status page shows that the status of most Galileo satellites is not usable because of a service outage. The satellites not affected by this outage are…
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Why airplane windows have round corners (2016)
It's to prevent them from killing you
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A Ring of Controversy Around a Black Hole Photo
[Note Added: Thanks to some great comments I’ve received, I’m continuing to add clarifying remarks to this post. You’ll find them in green.] It’s been a couple of months si…
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When zebra mussels colonized Lake Erie, it began to recover
There are many ways we can talk about the deeper roots of the crisis of our time, setting out from many different vantage points; as Charles Fort pointed out, one measures a circle, beginning anywh…
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It’s Time for Some Queueing Theory
Queueing theory is the scientific study of waiting in line. It can apply to familiar lines like those at the grocery store or bank but also to things like web s
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What is ergodicity? (2016)
Why are election polls often inaccurate? Why is racism wrong? Why are your assumptions often mistaken? The answers to all these questions and to many others have a lot to do with the non-ergodicity…
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Can We Catch the Next ‘Oumuamua?
Awesome plan! But, how frequently are suitable targets expected to inter the inner solar system that would also be able to be reached from Earth’s L2 point?
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Historical Map of the Cognitive Sciences: An Attempt
Map of the cognitive science, historical from 1930 to 2020 with prehistory and future prediction. Including Psychology, Artificial Intelligence, Mathematics, Neuroscience, Biology and more.
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An Orbit Map of the Solar System
A map of over 18,000 asteroids in the Solar System.
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Let’s Publish Everything
The other day someone pointed me to this article by James Kaufman and Vlad Glǎveanu in a psychology journal which begins:
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Book Review: The Secret Of Our Success
[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 …
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Quantum transitions take time – the news is its experimental demonstration
A number of people have asked me to weigh in on this story in Quanta Magazine (based on this paper [ PDF version ] and also reported in t...