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Weighing a Car with Tire Pressures
The first thing I wanted to do with my Saab 96 was to establish a baseline weight.
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 164 posts.
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A brief introduction to the beauty of Information Theory
Lambdaclass's blog about distributed systems, machine learning, compilers, operating systems, security and cryptography.
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Reversing Mental Age with Psychedelics
INTRODUCTION There are some overlaps in the effects of serotonergic psychedelic drugs such as LSD, peyote, psilocybin mushrooms and also the state of mind that newborn infants and young children ar…
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It’s dangerous to think humans have a destiny outside Earth
The President has otherworldly priorities for a potential second term, but colonizing space is a fantasy used to maintain the status quo.
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Experimenting on My Hearing Loss
var loadAudios = function() { WaveSurfer.create({ container: '#generated', mediaControls: true, backend: 'MediaElement', waveColor: '#fff', height: 64
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Why Can't I Reproduce Their Results?
Computer Science, Machine Learning, Programming, Art, Mathematics, Philosophy, and Short Fiction
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A look at Chang’e 5 telemetry
Chang’e 5 is a Chinese lunar sample return mission. It was launched a few days ago on 2020-11-23 from Wenchang and is estimated to perform lunar orbit injection on Saturday. Since then, a number of Amateurs such as USA Satcom , Paul Marsh M0EYT , Scott Tilley VE7TIL , Fer IW1DTU and others have been receiving the…
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CERN at Home: Building a Particle Detector
What do you do when you’re stuck at home with a 16-year-old son during a pandemic lockdown? Well, the first answer is that you build a gaming PC. That was a good project with a lot of incentives to complete, but that also meant it was soon over. So, what next? I spotted a post about an outreach project from CERN to…
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Solar’s Future is Insanely Cheap
This is part 1 of a series where I’ll look at the future costs of clean energy and mobility technologies.
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1,700-Year-Old Board Game Found in Norwegian Burial Mound
Rare elongated dice and board game pieces from the Roman Iron Age have been discovered in western Norway. Last month, Norwegian archaeologists chose to excavate the remains of a small Early Iron Age grave cairn
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A 189 Year Old Limitation on Inductor Size Has Been Broken (2018)
One of the three basic circuit elements just got a lot smaller for the very first time, in what promises to be a trillion-dollar…
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What is emergence?
Emergence occurs when there is a conceptual discontinuity between two descriptions targeting the same phenomenon. This does not mean that emergence is a purely subjective phenomenon — only th…
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Solar storm risk and EMP attacks
A Q&A style dialogue to separate fact from fiction.
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Space Tethers: Stringing Up the Solar System
A blog dedicated to helping Science Fiction authors create and discuss worlds where a realistic setting can still serve the fiction.
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Could the Earth be an evaporated gas giant planet?
Is Earth Potentially an Evaporated Gas Giant?
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What's wrong with social science and how to fix it
Replication, citations, power, incentives, and more.
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Well, Actually – Physics Answers
Science News, Physics, Science, Philosophy, Philosophy of Science
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Covid-19: The T Cell Story
When COVID-19 burst on to the scene, tests quickly showed that the everyone was susceptible - no pre-existing antibodies were found that bound to the SARS-CoV-2 virus. This led to dire predictions that over 80% of the population might eventually fall ill. Now more than six months in, this has not happened, and it does…
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The Baloney Detection Kit: Carl Sagan’s Rules for Critical Thinking
Necessary cognitive fortification against propaganda, pseudoscience, and general falsehood.
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The future of electricity is local
I frequently read about proposals for new solar power developments where the resulting power is moved great distances to less sunny places, such as northern Europe from the Sahara, the US North Eas…
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An equation that takes Pythagoras to a new level
Unbelievably enough, it all comes back to Pythagoras.
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Why We Sleep: A Tale of Institutional Failure
In our previous installment of this podcast, we learned from independent researcher Alexey Guzey that famed sleep researcher Matthew Walker seems to have committed research misconduct in his bestselling book, Why We Sleep. Walker is a University of California professor, Google researcher, and Ted talk star, and his…
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AlphaFold2 at CASP14: “It feels like one’s child has left home.”
The past week was a momentous occasion for protein structure prediction, structural biology at large, and in due time, may prove to be so for the whole of life sciences. CASP14, the conference for …
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Projective Geometric Algebra Done Right
[This is part one of a two-part series. The second part can be found here: Symmetries in Projective Geometric Algebra .]
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A global reforestation project is how we fix climate change
An In-Depth Overview of Key Technical Factors
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Who is the greatest knife steel metallurgist of all time?
There have been many metallurgists over the decades who have developed steels used in knives. Who has made the greatest contribution?
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Sanitation conquered disease long before vaccines or antibiotics
Of all the technologies against infectious disease, which mattered most? A data-driven approach