1021
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 2,038 posts.
1022
How does Shazam work?
Explore how Shazam and song identification work through interactive visualizations: spectrograms, constellation maps, hash fingerprints, and time-offset matching.
1023
Everything You Should Know About Sound (2016)
We all know what sound is. Except actually, no we don't. Let's fix that.
1024
A brief introduction to the beauty of Information Theory
Lambdaclass's blog about distributed systems, machine learning, compilers, operating systems, security and cryptography.
1025
1026
A mathematical formalization of dimensional analysis (2012)
Mathematicians study a variety of different mathematical structures, but perhaps the structures that are most commonly associated with mathematics are the number systems, such as the integers $late…
1027
Some of the forces blocking new ideas in science
Some of the forces blocking really new ideas in science
1028
Electric motor scaling laws and inertia in robot actuators
Engineering contraptions
1029
A ternary plot of citrus geneology
Interactive ternary chart of citrus ancestry
1030
Melting aluminum
Today another in my ongoing, seldom-updated series of posts about building my own backyard foundry. Today I’ll describe how the final step works: actually melting and pouring the metal. First…
1031
The Physics of GPS
An interactive exploration of how GPS works: from the speed of light and trilateration to the cheap clock problem and Einstein's relativity corrections.
1032
Why are male testosterone levels falling?
Science News, Physics, Science, Philosophy, Philosophy of Science
1033
1034
California Megafires Are Solvable
The basics on how we got to now, why it matters for all Americans, and how we can fix it together.
1035
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…
1036
How to assign partial credit on an exam of true-false questions?
Note: the following is a record of some whimsical mathematical thoughts and computations I had after doing some grading. It is likely that the sort of problems discussed here are in fact well studi…
1037
An opinionated take on how to do important research that matters
An opinionated perspective on how to do important research that makes a difference (and sometimes win awards).
1038
131M American Buildings
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
1039
Analysis of Soviet smoke detector plutonium
Technical nuclear forensics-themed discussion of the age, activity, and grade of plutonium found in a KI-1 Soviet smoke detector.
1040
One does not simply destroy a nuclear weapon
It's the isotopes...
1041
Engineer Who Won the Nobel Prize Twice in Physics
American scientist John Bardeen is famous for the invention of transistor and the theory of superconductivity. Who will win Nobel Prize in 2022?
1042
The physics anomaly no one talks about: What’s up with those neutrinos?
Science News, Physics, Science, Philosophy, Philosophy of Science
1043
Fibonacci Flim-Flam.
physics, history of science, pseudoscience, hoaxes, writing, education, skepticisism, humor, quotes, illusions, 3d stereo photography.
1044
1045
John Coltrane's Tone Circle
An article about the John Coltrane Tone Circle, a 5-octave Circle of Fifths and a double-ring Hexatonic Circle as well. Interpretation, explanation ...
1046
1047
Lab Notebook: Single Pixel Camera
Please forgive me for the lack of new content over the last five or so months. After my most recent post about neural networks and quadcopte...
1048
The Economic Complexity of the Western Roman Empire
I am one of those people who think about the Roman Empire daily – possibly out of my worrying addiction to Crusader Kings III and similar games. I also spent some time working on estimating economic complexity , a neat measure that can be used to explain economic development trajectories. One fateful day, I was…
1049
1050
Translating Akkadian clay tablets with ChatGPT?
Alles wat Jan bezighoudt, interesseert en irriteert... en ook een beetje onzin...