Columbia and U.S. News
Rankings create powerful incentives to manipulate data and distort institutional behavior for the sole or primary purpose of inflating one’s score. Because the rankings depend heavily on unaudited, self-reported data, there is no way to ensure either the accuracy of the information or the reliabil...
Hasnain says:
Just learning about this news and … wow. Columbia has risen to #2 in the US news rankings and it took some folks by surprise. Including, apparently, their own faculty - one math professor analyses the numbers and pretty conclusively shows fraudulent behavior on the part of Columbia to juice the rankings:
“There should be vigorous demands for changes, but changes will be hard to make. The incentives for bad behavior will remain as strong as ever. Columbia has come to depend, for example, on transfer students as a source of tuition revenue. Furthermore, a culture of secrecy, a top-down management structure, and atrophied instruments of governance at Columbia have hamstrung informed debate and policymaking.
It would not be adequate, therefore, to address the accuracy of the facts underpinning Columbia’s ranking in isolation. Root-and-branch reform is needed. Columbia should make a far greater commitment to transparency on many fronts, including budget, staffing, admissions, and financial aid. Faculty should insist on thorough oversight in all these matters, and on full participation in decision-making about them. The positions they arrive at should be shared and debated with trustees, students, alumni, and the public.”
Posted on 2022-03-12T18:51:28+0000
One-third of all US child Covid deaths occurred during Omicron surge
Children seem to be facing increasing risks as mask mandates are abandoned and vaccination rates stall
Hasnain says:
“Since the beginning of the year, 550 children have died from Covid-19 in the US, compared with 1,017 children in the preceding 22 months, according to data from the US Centers for Disease Control and Prevention (CDC).”
Posted on 2022-03-11T22:08:00+0000
Tax the land
One radical idea to solve America’s housing crisis.
Hasnain says:
“So why is this meme becoming so popular (at least among some online communities)? Lars Doucet, a prominent land value tax proponent, explains that a big part of the reason is that for a long time the automobile made sprawling suburban development possible. That meant people could still access valuable labor markets even if they couldn’t afford to live near their jobs (as long as they were willing to suffer long commutes, that is).
“Now we’ve run out of suburbs,” Doucet argued. “We can’t push any further through expansion.””
Posted on 2022-03-11T08:08:23+0000
In a Numerical Coincidence, Some See Evidence for String Theory | Quanta Magazine
In a quest to map out a quantum theory of gravity, researchers have used logical rules to calculate how much Einstein’s theory must change. The result matches string theory perfectly.
Hasnain says:
“Then a few years ago, Penedones, Vieira and Guerrieri started talking about using the bootstrap method to constrain what can happen during particle interactions. They first successfully applied the approach to particles called pions. “We said, OK, here it’s working very well, so why not go for gravity?” Guerrieri said.”
Posted on 2022-03-11T06:33:27+0000
The Four Innovation Phases of Netflix’s Trillions Scale Real-time Data Infrastructure
The blog post will share the four phases of Real-time Data Infrastructure’s iterative journey in Netflix (2015-2021). For each phase, we will go over the evolving business motivations, the team’s unique challenges, the strategy bets, and the use case patterns we discovered along the way.
Hasnain says:
Great read - it’s a mix of a career story and a history of streaming platforms at Netflix. Lots of great technical details in here!
“Raise abstraction by combining the best of both simplicity and flexibility. There is much value in understanding the deep internals of various data technologies, but not everyone needs to do it. This line of thinking is especially true as cloud-first data infrastructures are becoming commodities. Properly raising data infrastructure abstraction becomes the immediate opportunity to make all the advanced capabilities easily accessible to a broader audience. Technologies such as streaming SQL will lower the barrier of entry, but it’s just the beginning. Data Platform should also raise abstraction to the dividing boundaries (e.g., streaming vs. batch) are invisible to the end-users.”
Posted on 2022-03-11T03:41:02+0000
Time Crystals Made of Light Could Soon Escape the Lab
A new, more robust approach to creating these bizarre constructs brings them one step closer to practical applications
Hasnain says:
“Additionally, physicists could study very large time crystals in the same way that more conventional, spatial crystals have been investigated for decades, says study co-author Krzysztof Sacha, a physicist at Jagiellonian University in Poland. Here, physicists could exchange space for time to investigate whether time crystals engineered with certain defects or bathed with excess energy display unexpected behaviors. Such behaviors are typically harder to detect in small crystals, so the ability to make its light-based system large potentially sets up the team for a foray into a fully new realm. "I think that is really opening a new [physics research] horizon,” Sacha underlines. Wilczek agrees. “This is a whole new class of states of matter,” he says. “It is very conceivable to me that, when you examine them, useful devices and other surprises will emerge. It’s virgin territory; we are discovering a new world here.””
Posted on 2022-03-10T07:27:08+0000
Request coalescing in async Rust
As the popular saying goes, there are only two hard problems in computer science: caching, off-by-one errors, and getting a Rust job that isn't cryptocurrency-related. Today, we...
Hasnain says:
Great read as always from Amos.
“But from the outside, all we see is that all requests are stuck.
All requests.
Not just the first one, not just for the first five seconds, all requests, forever.
And that's what my big bad dayjob incident was about: a bunch of in-flight requests got in a bad state, and so we'd be forever stuck waiting for them, long past any chance they'd ever complete, and never starting new requests.”
Posted on 2022-03-09T09:16:28+0000
I Just Want to Know What I’m Made Of
It’s time to admit quantum theory has reached a dead end. Can we please go back to the math?
Hasnain says:
Fairly interesting and accessible read on quantum mechanics and the various interpretations of it. And on how the science has progressed through the years.
“Probing quantum physics is really, really difficult. It is, by necessity, an experimental science far removed from the scale of human experience. But it is also instructive to note that a century of technological progress has not helped answer my question. We essentially know nothing more than Bohr, Einstein, Schrödinger, and Heisenberg did about the actual nature of reality. We have created interesting technologies and philosophical conundrums, but little else. Is it actually possible to find out what the universe is made of?”
Posted on 2022-03-09T08:46:31+0000
Low Process Culture, High Process Culture
When I changed jobs in 2020, I went from a low-process culture to a high-process culture (or: what I perceive as high-process, all things are relative). It was a bit of a culture shock. The process…
Hasnain says:
This was a great short read on process and company culture. I’ll have to revisit this a few times to really internalize it.
“But it’s always worth considering what process makes sufficient, and what you’re really aspiring for. Sometimes adequacy is the goal, but when it’s not, the process is usually the least of it. What are you optimizing for?”
Posted on 2022-03-09T07:44:23+0000
Peptides on Stardust May Have Provided a Shortcut to Life | Quanta Magazine
The discovery that short peptides can form spontaneously on cosmic dust hints at more of a role for them in the earliest stages of life’s origin, on Earth or elsewhere.
Hasnain says:
“Because of these requirements, most theories about the origin of proteins have either centered on scenarios in extreme environments, such as near hydrothermal vents on the ocean floor, or assumed the presence of molecules like RNA with catalytic properties that could lower the energy barrier enough to push the reactions forward. (The most popular origin-of-life theory proposes that RNA preceded all other molecules, including proteins.) And even under those circumstances, Krasnokutski says that “special conditions” would be needed to concentrate the amino acids enough for polymerization. Though there have been many proposals, it isn’t clear how and where those conditions could have arisen on the primordial Earth.”
Posted on 2022-03-09T07:39:18+0000