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The Remarkable Brain Waves of High Level Meditators [video]
What’s going on in the brains of people who meditate? Anecdotal evidence suggests that meditation does something to people’s minds and bodies…quiets and calms t
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The latest blog posts to take off on Hacker News. 248 posts.
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Chinese Tokamak reaches over 100M degrees
Experimental Advanced Superconducting Tokamak (EAST), nicknamed Chinese artificial sun, has achieved over 100 million degrees electron temperature in the core plasma in its 2018 four-month-long experiment campaign.
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An Israeli spacecraft is gearing up for a 2019 Moon mission
SpaceIL, a privately funded Israeli non-profit, will attempt to land a small spacecraft on the Moon in early 2019.
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The spotlight of attention is more like a strobe, say researchers
Despite the 'illusion' of continuity, human perception pulses in and out four times per second, says Princeton neuroscientist Sabine Kastner.
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1 in 4 Statisticians Say They Were Asked to Commit Scientific Fraud
As the saying goes, "There are three kinds of lies: lies, damned lies, and statistics." We know that's true because statisticians themselves just said so. A jaw-dropping study reveals that nearly 1 in 4 of them report being asked to remove or alter data to better support a hypothesis. That is called scientific fraud.
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‘Oumuamua, Thin Films and Lightsails
Thanks, Hamilton1. The two reports look like excellent studies. At first scan, it looks like there are still things to examine though. For example, if ‘Oumuamua is considered representative of extra-solar objects in its debris trail, then the idea that extra solar meteorites showing up, say in Greenland, is in real…
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The Strangest Book on the Theory of Computation (2009)
Based on the description of the book in the World Scientific Press catalogue, I asked my university library to order a book entitled Automat...
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How working memory gets you through the day
Scientists have discovered how brain waves are key to both maintenance and control of information in the mind. A new model for this has been developed by Earl Miller and colleagues at the Picower Institute for Learning and Memory at MIT.
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Can optical illusions fool AI too?
Deep neural networks (DNN) have made the news recently for their application as a predictive software used to create convincing fake videos of politicians and celebrities. You may not be aware, however, that you have most likely already used the same technology in a much less controversial form: the translation app on…
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Myth of the Brown Recluse
Myth of the Brown Recluse: Fact, Fear, and Loathing Rick Vetter Department of Entomology, University of California, Riverside, CA
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Electrical properties of dendrites help explain our brain’s computing power
MIT neuroscientists have discovered that human dendrites have very different electrical properties from those of other species. These differences may contribute to the enhanced computing power of the human brain.
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How I Became a Knife Steel Metallurgist
Thanks to Jon Broida of Japanese Knife Imports and Anton Kudris for becoming Knife Steel Nerds Patreon supporters! When I was 16 I went with my father to the Las Vegas Custom Knife show. My interest in custom knives up to that point had been pretty limited. My father, Devin, has run a Damascus steel… Continue reading…
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Good sleep, good learning, good life (2012)
Discover effective online language learning with SuperMemo. Learn languages with proven courses, intelligent repetitions, and AI tools. Start today!
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Air pollution linked to “huge” reduction in intelligence
Air pollution can have a “huge” negative effect on cognitive intelligence – especially amongst older men – according to a study released this past August.
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Air India Express 737 Hits ILS, Damages Wall on Departure, Flies for 4 Hours
Air India Express flight IX611 struck an ILS lighting tower and damaged a nearby brick wall at the departure end of RWY 27 in Trichy on departure.
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Self-healing material can build itself from carbon in the air
A new material developed at MIT can mimic plants by taking carbon dioxide from the air and turning it into a useful solid material, potentially helping in the battle against global climate change.
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Black holes ruled out as universe’s missing dark matter
A statistical analysis says that black holes can make up no more than 40 percent of dark matter, the strongest limit yet
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Apollo 11 and Other Screw-Ups
(A paper presented to the 27th annual Guidance and Control Conference of the American Astronautical Society (AAS), in Breckenridge, Colorado on February 6, 2004, and designated AAS 04-064. This version includes additional illustrations and comments, and several minor corrections.)