shows you how computer algorithms can be represented visually, leading to better understanding of how the algorithms work:
"Have you ever implemented an algorithm based on formal description? It can be hard! Being able to see what your code is doing can boost productivity. Visualization does not supplant the need for tests, but tests are useful primarily for detecting failure and not explaining it. Visualization can also discover unexpected behavior in your implementation, even when the output looks correct."
posted by quiet earth
on Jun 26, 2014 -
Motivated Numeracy and Enlightened Self-Government.
"Why does public conflict over societal risks persist in the face of compelling and widely accessible scientific evidence? We conducted an experiment to probe two alternative answers: the “Science Comprehension Thesis” (SCT), which identifies defects in the public’s knowledge and reasoning capacities as the source of such controversies; and the “Identity-protective Cognition Thesis” (ICT) which treats cultural conflict as disabling the faculties that members of the public use to make sense of decision-relevant science. [more inside]
posted by escabeche
on Sep 5, 2013 -
Our Inconsistent Ethical Instincts
We like to believe that the principled side of the equation is rooted in deep, reasoned conviction. But a growing wealth of research shows that those values often prove to be finicky, inconsistent intuitions, swayed by ethically irrelevant factors. What you say now you might disagree with in five minutes. And such wavering has implications for both public policy and our personal lives. [more inside]
posted by the man of twists and turns
on Jun 18, 2013 -
Is Psychometric g a Myth?
- "As an online discussion about IQ or general intelligence grows longer, the probability of someone linking to statistician Cosma Shalizi's essay g, a Statistical Myth
approaches 1. Usually the link is accompanied by an assertion to the effect that Shalizi offers a definitive refutation of the concept of general mental ability, or psychometric g
." [more inside]
posted by kliuless
on Apr 11, 2013 -
is perhaps the finest author in contemporary science fiction -- and the most rarefied.
A technical writer by trade and a graduate of the distinguished Clarion Writers Workshop
, Chiang has published only twelve short stories in the last twenty years, one dozen masterpieces of the genre whose insightful, precise, often poetic language confronts fundamental ideas -- intelligence, consciousness, the nature of God -- and thrusts them into a dazzling new light.
Click inside for a complete listing of Chiang's work, with links to online reprints or audio recordings where available, as well as a collection of one-on-one interviews, links to his nonfiction essays, and a few other related sites and articles. [more inside]
posted by Rhaomi
on Dec 27, 2010 -
What if you could compute the output of complex algorithms just by viewing an image?
Our everyday visual perceptions rely upon unfathomably complex computations carried out by tens of billions of neurons across over half our cortex. In spite of this, it does not “feel” like work to see. Our cognitive powers are, in stark contrast, “slow and painful,” and we have great trouble with embarrassingly simple logic tasks.
Might it be possible to harness our visual computational powers for other tasks, perhaps for tasks cognition finds difficult? I have recently begun such a research program with the goal of devising ways of converting digital logic circuits into visual stimuli – “visual circuits” – which, when presented to the eye, “tricks” the visual system into carrying out the digital logic computation and generating a perception that amounts to the “output” of the computation. That is, the technique amounts to turning our visual system into a programmable computer.
posted by scalefree
on Mar 29, 2010 -
's 1984 book, Vehicles: Experiments in Synthetic Psychology
was a seminal work for its discussion of how one might design a system (biological or otherwise) in order to generate behavior like that seen in beings with brains. He embarks on a series of thought experiments in which he creates thirteen "vehicles"
through simple components that (arguably) display intelligent behavior, evolving in a Darwinian fashion to demonstrate what appears to be high-level cognition. [more inside]
posted by emilyd22222
on Jan 17, 2010 -
Don't Even Think About Lying
fMRI is poised to transform the security industry, the judicial system, and our fundamental notions of privacy. I'm in a lab at Columbia University, where scientists are using the technology to analyze the cognitive differences between truth and lies. By mapping the neural circuits behind deception, researchers are turning fMRI into a new kind of lie detector that's more probing and accurate than the polygraph, the standard lie-detection tool employed by law enforcement and intelligence agencies for nearly a century.
posted by robbyrobs
on Jan 5, 2006 -