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New
The latest blog posts to take off on Hacker News. 4,456 posts.
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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.)
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Mathematical Patterns That Eventually Fail
Sometimes patterns can lead you astray. For example, it’s known that $latex \displaystyle{ \mathrm{li}(x) = \int_0^x \frac{dt}{\ln t} }$ is a good approximation to $latex \pi(x),$ the number …
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MINERVA-II1: Successful image capture, landing on Ryugu and hop
MINERVA-II1: Successful image capture, landing on Ryugu and hop!
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I simulated California housing and learned about simulators
Back in the early 2000s, XML was all the rage. An unusual evolution from HTML, which itself was an evolution (devolution?) from SGML, XML w...
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Yale researchers 'teleport' a quantum gate
Yale researchers have demonstrated one of the key steps in building modular quantum computers: “teleporting” a quantum gate between two qubits, on demand.
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Cancer
Cancers are one of the leading causes of death globally. Are we making progress against them?
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Eating in 10-hour window can override disease-causing genetic defects
Founded by polio vaccine developer Jonas Salk, the Salk Institute is an independent, nonprofit organization. We drive foundational, risk-taking research that addresses society’s most pressing challenges, including cancer, Alzheimer’s, and agricultural resilience.
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New Evidence That Lead Exposure Increases Crime (2017)
Jennifer Doleac reviews recent research that found exposure to lead poisoning led to higher crime rates.
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AI Can Transform Anyone Into a Professional Dancer
Think of it as style transfer for dancing, a deep learning based algorithm that can convincingly show a real person mirroring the moves of their favorite dancers. The work, developed by a team of…
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Slow leak detected aboard Space Station
Alexander Gerst's Horizons Blog
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Our World in Data
Research and data to make progress against the world’s largest problems.
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Each Country's Share of CO2 Emissions
Which 20 countries emit the most carbon dioxide? You may be surprised.
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Age of Invisible Disasters (2017)
Privacy, Power, & Protection In The Cyber Century2018148 points108 commentsSociety, Policy & Culture details
1400 words, 5 minutes. The Tay Bridge disaster occurred during a violent storm on 28th December 1879 when the first Tay Rail Bridge collapsed while a train was passing over it from Wormit to Dundee, killing all 70 people aboard.