- Apollo Software — amazing collection of source code to the software behind the Apollo mission. And memos, and quick references, and operations plans, and …. Just another reminder that the software itself is generally dwarfed by its operation.
- t (Github) — command-line power-tool for Twitter.
- Habits of Mind (PDF) — Much more important than speciﬁc mathematical results are the habits
of mind used by the people who create those results,and we envision a curriculum
that elevates the methods by which mathematics is created,the techniques used
by researchers,to a status equal to that enjoyed by the results of that research. Loved it: talks about the habits and mindsets of mathematicians, rather than the set of algorithms and postulates students must be able to recall. (via Dan Meyer)
ENTRIES TAGGED "math"
Financial Data, 21C Learning for Parents, IQ Battles, and Etsy Hacker Grants
- Big Data in Finance (PDF, 9M) — Algo trading systems have begun to resemble an arms race. Competition, data, and the race for real-time.
- A Parent’s Guide to 21st Century Learning (Edutopia, free registration required to download) — What should collaboration, creativity, communication, and critical thinking look like in a modern classroom? How can parents help educators accomplish their goals? We hope this guide helps bring more parents into the conversation about improving education. (via Derek Wenmoth)
- Chess Intelligence and Winning — survey of IQ gaps between contestants needed to win competitions. We could view cops and killers as being involved in a grim contest. In the USA around 65% of all murders are solved. That converts to an average “murder” ELO rating difference between police and murderers of 108 ELO points. It is also known that the mean IQs of murderers and policemen are 87 and 102, respectively. So successfully solving murders is a puzzle then the “a” coefficient is 0.041, and each IQ point difference is worth 7.2 ELO points. I suspect this is masturbatory math extrapolation rather than anything significant or predictive, but the cops-vs-robbers IQ contest was an interesting angle. (via Dr Data’s Blog)
- Etsy Hacker Grants: Supporting Women in Technology — Today, in conjunction with Hacker School, Etsy is announcing a new scholarship and sponsorship program for women in technology: we’ll be hosting the summer 2012 session of Hacker School in the Etsy headquarters, and we’re providing ten Etsy Hacker Grants of $5,000 each — a total of $50,000 — to women who want to join but need financial support to do so. Our goal is to bring 20 women to New York to participate, and we hope this will be the first of many steps to encourage more women into engineering at Etsy and across the industry.
Touch-Typing Instruction, HTTP Header Attacks, Sorting Ratings, and Risks of Inspecting Applicants' Facebook Pages
- Typing Club — lessons to improve your touch-typing, building you up letter by letter to speed and mastery. Like how I learned, only without the typewriters and the bibs and the roomful of girls. It wasn’t easy being the only boy in typing class, but somehow I managed. (via EdTech ideas)
- SQL Injection via HTTP Headers — excellent introduction to how some surprising HTTP headers can be attack vectors.
- How Not to Sort by Average Rating (Evan Miller) — so easy to get it wrong, so eye-wateringly complex a formula to do it right. (via Hacker News)
- I Hereby Resign (Reg Braithwaite) — not an actual resignation letter, but it highlights exactly why asking to see applicants’ Facebook pages is a bad idea. “If you are surfing my Facebook, you could reasonably be expected to discover that I am a Lesbian. Since discrimination against me on this basis is illegal in Ontario, I am just preparing myself for the possibility that you might refuse to hire me and instead hire someone who is a heterosexual but less qualified in any way. Likewise, if you do hire me, I might need to have your employment contracts disclosed to ensure you aren’t paying me less than any male and/or heterosexual colleagues with equivalent responsibilities and experience.” Ditto “spouse is pregnant so I’m about to take maternity leave just after you hire me”, etc. Those things you spend days thumping into HR that they aren’t supposed to ask about? All on the applicants’ Facebook pages.
Healthcare Ain't Silicon Valley, Math for Makers, Open Source Musician Tools, and Learn to Make Languages
- Five Tough Lessons I Had To Learn About Healthcare (Andy Oram) — I don’t normally link to things from Radar but this gels 110% with my limited experience with the healthcare industry.
- Makematics: Math for Makers — I want the hardware hackers who are building the next generation of DIY 3D printers to be able to turn topological algorithms and concepts into open source tool path generation software that creates more efficient gcode and enables the fabrication of previously impossible physical forms. I don’t know the best way to go about this, but this site is intended to act as home for my experiments.
- CASH Music — they build open source tools for musicians and labels to make money. What WordPress did for bloggers, we’re doing for musicians. (via New York Times)
Watercolor Maps, Inside Displays, Numbers API, and Chinese Mobile Activations Boom
- Stamen Watercolour Maps — I saw a preview of this a week or two ago and was in awe. It is truly the most beautiful thing I’ve seen a computer do. It’s not just a clever hack, it’s art. Genius. And they’re CC-licensed.
- Screens Up Close — gorgeous microscope pictures of screens, showing how great the iPad’s retina display is.
- Numbers API — CUTE! Visit it, even if you’re not a math head, it’s fun.
- China Now Leads the World in New iOS and Android Device Activations (Flurry) — interesting claim, but the graphs make me question their data. Why have device activations in the US plummeted in January and February even as Chinese activations grew? Is this an artifact of collection or is it real?
jQuery Performance, George Dyson, VLC 2.0, and Power Laws
- Stop Paying Your jQuery Tax (Sam Saffron) — performance advice for front-end developers. The faster your site responds, the more customers will use it.
- George Dyson Interviewed (Wired) — a different perspective on computing, worth reading.
- VLC 2.0.0 — VLC lets you bypass manufacturers’ designed-in brokenness so your computer can play media. Glad to see it still being actively developed.
- Critical Truth About Power Laws (Science Magazine) — Although power laws have been reported in areas ranging from finance and molecular biology to geophysics and the Internet, the data are typically insufficient and the mechanistic insights are almost always too limited for the identification of power-law behavior to be scientifically useful (see the figure). Indeed, even most statistically “successful” calculations of power laws offer little more than anecdotal value. (no PDF available unless you pay, because that’s how great science works)
Relativity in Short Words, Set Math, Design Inspiration, and Internet of Things
- Theory of Relativity in Words of Four Letters or Less — this does just what it says, and well too. I like it, as you may too. At the end, you may even know more than you do now.
- Effective Set Reconciliation Without Prior Context (PDF) — paper on using Bloom filters to do set union (deduplication) efficiently. Useful in distributed key-value stores and other big data tools.
- Mental Notes — each card has an insight from psychology research that’s useful with web design. Shuffle the deck, peel off a card, get ideas for improving your site. (via Tom Stafford)
- The Internet of Things To Come (Mike Kuniavsky) — Mike lays out the trends and technologies that will lead to an explosion in Internet of Things products. E.g., This abstraction of knowledge into silicon means that rather than starting from basic principles of electronics, designers can focus on what they’re trying to create, rather than which capacitor to use or how to tell the signal from the noise. He makes it clear that, right now, we have the rich petrie dish in which great networked objects can be cultured.
The names may change, but the friction between science and art goes back centuries.
Whether we're discussing ancients vs. moderns, scientists vs. poets, or the latest variant, computer science vs. humanities, the debate between science and art is persistent and quite old.
Gamification is Bullshit, Design for Impact, Public Domain, and Network Analysis
- Gamification is Bullshit (Ian Bogost) — [G]amification is marketing bullshit, invented by consultants as a means to capture the wild, coveted beast that is videogames and to domesticate it for use in the grey, hopeless wasteland of big business, where bullshit already reigns anyway. Bullshitters are many things, but they are not stupid. The rhetorical power of the word “gamification” is enormous, and it does precisely what the bullshitters want: it takes games—a mysterious, magical, powerful medium that has captured the attention of millions of people—and it makes them accessible in the context of contemporary business.
- Design for (Real) Social Impact (Vimeo) — single best talk I’ve seen on making philanthropy effective. (via Rowan Simpson)
- The Public Domain Review — an online weekly journal dedicated to treasures that have entered the public domain and articles on them. The home page currently features: Boris Karloff in “Last of the Mohicans”, the Boston Revolution in psychotherapy, “Was Charles Darwin an Atheist?”, the Orson Welles audio show, “100 Years of The Secret Garden”, a feature on a 1300 year old illustrated work on the Book of Revelations, and more.
- SNAP — the Stanford Network Analysis Platform, a library for network and graph analysis. (via Joshua Schachter)
Graph ORM, Graphic Computation, Web Intents, and Async RPC
- Bulbflow — a Python framework for graph databases: it’s like an ORM for graphs. (via Joshua Schachter)
- Nomograms — the lost art of graphical computing. (via John D Cook)
- Web Intents — adding Android-style Intents to the web. Services register their intention to be able to handle an action on the user’s behalf. Applications request to start an Action of a certain verb (share, edit, view, pick etc) and the system will find the appropriate Services for the user to use based on the user’s preference.
- Finagle (GitHub) — Twitter’s asynchronous network stack for the JVM that you can use to build asynchronous Remote Procedure Call (RPC) clients and servers in Java, Scala, or any JVM-hosted language. Finagle provides a rich set of tools that are protocol independent.