HNHacker News
TopNewBestAskShowJobs

scorecard

49 karma · joined January 4, 2020

submissionscomments
scorecard··on Ask HN: Starting a career as a programmer in my mid-40s
CS 50 on Edx is a good introduction to computer science https://www.edx.org/cs50
scorecard··on Ask HN: Linux users, which Steam game would you recommend and why?
Classic racing and flight sims such as Grand Prix Legends, Mig Alley/Battle of Britain and Falcon 4 are available for linux here:

https://github.com/sim-museum/esports-for-engineers

(this is free, and does not use steam)

scorecard··on Why has college gotten so expensive in the last 30 years? A blank check in 1993
It is not the case that free universities are necessarily 2nd tier. QS World Univerity rankings puts ETH Zurich, a free university, as #6 overall. Times Higher Education world ranking lists ETH Zurich as #13 overall.

The other Swiss flagship university, EPFL, which is also free, is ranked #14 overall in the QS world ranking.

https://www.topuniversities.com/university-rankings/world-un...

scorecard··on Ask HN: How to spend your day when you are searching for the next idea?
The interplay between CS innovation and computer games goes all the way back to the days of spacewar and Ken Thompson's chess programs.

With this in mind, I put together a free linux compendium of classic PC simulation games: https://alternativeto.net/software/esports-for-engineers/

This was a way of building up momentum to work on more serious projects.

scorecard··on Ask HN: What's a climate change organization you would recommend donating to?
Citizen's Climate Lobby (CCL) does non-partisan lobbying for carbon fee and dividend in the USA, Canada and the EU. They lobby on the local and federal level, getting endorsements, tabling, getting bills introduced and writing articles and letters to newspapers. A list of CCL accomplishments is here: https://citizensclimatelobby.org/about-ccl/accomplishments/
scorecard··on What's the best open source Contract Bridge software?
Excellent open source ML sparing partners for Chess and Go are available: https://github.com/bencaddigan/esports-for-engineers

But what about Contract Bridge? Is there an open source program that will play the other three hands? A machine learning program would be ideal, but any decent open source program would be fine.

scorecard··on Decision for 2020-21 Academic Year
"Average expected contribution" is not precisely defined in the Harvard document you provide, and thus does not commit Harvard to any particular course of action.
scorecard··on Decision for 2020-21 Academic Year
It is not the case that Harvard is free for students whose parents make less than $65K. Read the small print.
scorecard··on A look at the Gemini protocol: a brutally simple alternative to the web
Are there other projects similar to Gemini? Of these projects, which is most likely to still exist 5 years from now?
scorecard··on Ask HN: Recommend a maths book for a teenager?
Art of Problem Solving is popular with the Math Olympiad types. I see that others on this thread have recommended it already.

https://artofproblemsolving.com/

scorecard··on Where are the best sites to post about free Linux strategy games?
My subject is award-winning, hardcore strategy games rather than light entertainment. Most of the games are open source. You need to know linux command line to use the game package I've put together.

I thought Hacker News was a good place to post about this, but didn't get much interest when I tried https://news.ycombinator.com/item?id=23725254

scorecard··on All about Modelica: An equation-based language for modeling physical systems
In my experience Modelica is a good fit for sustainability engineering, as it works well across engineering disciplines. Simulation of hybrid gas/electric engines was one of Modelica's first major applications, power plants was another.

As others have noted Modelica is both more abstract and more performant than a lot of other ways of describing multiphysics systems; it got its start in out-of-the-way places, which may explain it's relative obscurity, but there's an opportunity for it to become pervasive in engineering, both in the academy and industry.

scorecard··on Breaking the rules of video game design with a collection of free strategy games
Free, world champion Chess, Go and Bridge were a big find, and were added for version 3. All functionality of Mig Alley's well-known unscripted campaign has been restored. The daily and weekly score mechanism has been added. And last but not least, QA has been done to improve the user experience.
scorecard··on Breaking the rules of video game design with a collection of free strategy games
The recommended linux distro for eSports for engineers is Ubuntu 20.04 LTS, and wine 5.0 or higher. That way you just follow the instructions in the documentation and everything runs with no hassle.

Most of the games will probably run out-of-the-box on any linux distro, but the sims and GPU-accelerated deep learning engine might require some additional work loading needed libraries, etc.

scorecard··on The chicken first crossed the road in Southeast Asia, landmark gene study finds
There is progress toward Jurassic Park. 1. Gene edits turn a bill into something like a dinosaur snout: https://www.livescience.com/50886-scientific-progress-dino-c... 2. early birds may have been baby dinosaurs that stopped developing, yet could produce off spring, according to another recent DNA study I can't locate at the moment. Now if that development process could be turned back on in a bird ...
scorecard··on Kanboard – Kanban Project Management Software
I discovered kanboard after several years working as a scrum master. Simple, robust, flexible and free is a good combination. I use kanboard every day for both personal and work.
scorecard··on Ask HN: What are you reading to make sense of the economy?
The Economy, a free, open access textbook crowdsourced from Econ professors all over the world, along with the Core Covid-19 collection of teaching materials:

https://www.core-econ.org/

scorecard··on Ask HN: What are you reading to make sense of the economy?
A big shout out for "Good Economics for Hard Times", by two MIT profs who recently won the Nobel Prize in Economics. Why did two academic Economists who specialize in the developing world write a book for the general public? From the book's preface: "We got tired of watching at a distance while the public conversation about core economic issues - immigration, trade, growth, inequality, or the environment - goes more and more out of kilter. ... Also ... as we thought about it, we realized the problems facing the rich countries in the world were actually eerily familiar to those we are used to studying in the developing world - people left behind by development, ballooning inequality, lack of faith in government, fractured societies and polity, and so on."
scorecard··on What's your favorite free game that runs on Linux, and teaches you something?
The book "Deep Learning and the game of Go" from Manning walks you through the process of building an AlphaGo clone using python and standard machine learning libraries.

https://github.com/maxpumperla/deep_learning_and_the_game_of...

Play a demo Go bot developed in the book here: https://www.badukai.com/demos/static/play_predict_19.html

scorecard··on What's your favorite free game that runs on Linux, and teaches you something?
To learn auto racing or acrobatic flying, there's the esports for engineers package of classic PC simulation games: https://github.com/bencaddigan/esports-for-engineers
scorecard··on What's your favorite free game that runs on Linux, and teaches you something?
to learn contract bridge, I find the bcalc single/double dummy solver bcalc useful: http://bcalc.w8.pl/index.php?lang=en&topic=download

also good is the freeware bride program Wbridge5, which has won several world computer bridge championships. It is a Windows program, but runs fine on linux with the wine emulation layer. (I've run it on fedora 30, debian 10 and ubuntu 19.10)

scorecard··on What's your favorite free game that runs on Linux, and teaches you something?
to learn chess, there's scid and the stockfish engine included in distros such as debian and ubuntu.

There's also the lc0 engine, which is the open source version of the mighty Deep Mind AlphaZero chess engine - linux installation instructions for lc0 are here: https://github.com/LeelaChessZero/lc0/blob/master/README.md

scorecard··on Why Russia fears Sweden’s submarines
A Stirling engine powered Swedish sub sank the USS Ronald Reagan in a war game exercise. It was able to get within range of the aircraft carrier because the Stirling engine is very quiet. For more about Stirling engines, I recommend reading: https://www.economist.com/science-and-technology/2013/11/30/...
scorecard··on What's your favorite technical book to read during this time of home quarantine?
I always thought Feynman's treatment of electrodynamics wasn't very original, that it was just the standard approach you could find in other textbooks. It turns out, Feynman thought so to, but later came up with a much better way of teaching electrodynamics: https://physics.stackexchange.com/questions/100951/what-was-...
scorecard··on What's your favorite technical book to read during this time of home quarantine?
I'm reading "Combat Fighter Tactics and Maneuvering" by Shaw, along with the combat aviation and auto racing manuals at https://github.com/bencaddigan/esports-for-engineers
scorecard··on Minerva Forum is a winner in EdTech. Is there an open source alternative?
Live Online Video Classes Are ‘The New Face-to-Face.’ So How Many Students Can They Handle at a Time?

https://www.edsurge.com/news/2019-04-16-live-online-video-cl...

scorecard··on Minerva Forum is a winner in EdTech. Is there an open source alternative?
Minerva's Innovative Platform Makes High Quality Higher Ed Personal And Affordable

https://www.forbes.com/sites/tomvanderark/2019/04/08/minerva...

scorecard··on Minerva Forum is a winner in EdTech. Is there an open source alternative?
Minerva Project Raises $57M to Support Its Tech Platform—and Spin Off Its School

https://www.edsurge.com/news/2019-07-11-minerva-project-rais...

scorecard··on How would you prepare for a 30 day coronavirus quarantine in your home?
I was answering a somewhat different question, namely, what is the minimum you need to live in quarantine for 30 days, starting with nothing but water and electricity. I'm not assuming the person has an oven or a refrigerator, or access to a delivery service. I was aiming to optimize nutrition and calories while minimizing cost.
scorecard··on How would you prepare for a 30 day coronavirus quarantine in your home?
Correct me if I'm wrong, but I've read that Amazon keeps low inventories for efficiency reasons, leaving the company vulnerable to supply shortages. Already the quarantine in China has disrupted some Amazon supply chains. It seems unlikely that Amazon can keep up with the current level of deliveries, let alone handle a surge in demand for staples needed in a widespread quarantine.