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Bring back hydrogen lifting gas
According to one estimate, there are around 25 blimps worldwide. What will it take to bring back these majestic beasts of the sky?
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 2,418 posts.
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Is Clear Air Turbulence becoming more common?
In recent years there has been a noticeable uptick in publicized incidents of turbulence affecting commercial aircraft. These events, sometimes unexpected and severe, have led to passenger injuries, emergency landings, and a recent rare fatality. Turbulence can be caused by a variety of factors, from the mixing of air…
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Direct Coupling of the Higgs Boson to the Top Quark Observed
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First pictures from Euclid satellite reveal billions of orphan stars
The first scientific pictures from the Euclid satellite mission have revealed more than 1,500 billion orphan stars scattered throughout the Perseus cluster of galaxies.
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More than sixty percent of the United States is experiencing drought conditions
More than 60 percent of the United States is experiencing drought conditions, with more than 20 percent in an extreme drought. Andrew Ellis, a climatologist at Virginia Tech said the current conditions are among the worst in decades because the combination of intensity and aerial coverage is rare. He explained why…
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ATLAS sees first direct evidence of light-by-light scattering at high energy
A light-by-light scattering candidate event measured in the ATLAS detector. (Image: ATLAS Collaboration/CERN) Geneva, 14 August 2017. Physicists from the ATLAS experiment at CERN have found the first direct evidence of high energy light-by-light scattering, a very rare process in which two photons – particles of light…
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Blood pressure should be measured lying down: study
Research Highlights: An analysis of data from a long-running study of more than 11,000 adults from four diverse communities in the United States has found that adults who had high blood pressure while both seated upright and lying supine (flat on ...
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Researchers find Alzheimer's-like brain changes in long Covid patients
New research from the University of Kentucky’s Sanders-Brown Center on Aging shows compelling evidence that the cognitive impairments observed in long COVID patients share striking similarities with those seen in Alzheimer’s disease and related dementias.
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World's darkest and clearest skies at risk from industrial megaproject
On December 24th, AES Andes, a subsidiary of the US power company AES Corporation, submitted a project for a massive industrial complex for environmental impact assessment. This complex threatens the pristine skies above ESO’s Paranal Observatory in Chile’s Atacama Desert, the darkest and clearest of any astronomical…
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Fastest rate of natural carbon dioxide rise over the last 50k years
CORVALLIS, Ore. – Today’s rate of atmospheric carbon dioxide increase is 10 times faster than at any other point in the past 50,000 years, researchers have found through a detailed chemical analysis of ancient Antarctic ice. The findings, just published in the Proceedings of the National Academy of Sciences, provide…
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WiFi can read through walls
UCSB researchers’ new method enables high-quality imaging of still objects with WiFi by using the Geometrical Theory of Diffraction and the corresponding Keller cones to trace edges of the objects.
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Julia Computing Granted $600k by Moore Foundation
As data-driven research becomes more mainstream, the need for efficient and powerful scientific computing tools increases. To help meet this need, the Gordon an…
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Sky lapse in two tone
Using Sentinel-1 radar imagery to make out the shapes of our changing seaborne energy system
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Microbes that cause cavities can form superorganisms able to ‘crawl’
These multicellular, cross-kingdom assemblages were more resistant to antimicrobials and removal and caused more extensive tooth decay than their single-species equivalents, according to research led by School of Dental Medicine scientists.
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Diffractive Chocolate
Turn your chocolate into an edible color spectrum…
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Large-scale study reveals autoimmune disorders now affect around one in ten
A new population-based study, involving 22 million people, shows that autoimmune disorders now affect around one in ten individuals
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Stanford study finds walking improves creativity
News, research, and insights from Stanford University.
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Nassim Taleb: We should retire the notion of standard deviation
The notion of standard deviation has confused hordes of scientists; it is time to retire it from common use and replace it with the more effective one of mean deviation. Standard deviation, STD, should be left to mathematicians, physicists and mathematical statisticians deriving limit theorems. There is no scientific…
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Bacteria store memories and pass them on for generations
AUSTIN, Texas — Scientists have discovered that bacteria can create something like memories about when to form strategies that can cause dangerous
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ESO telescope captures the most detailed infrared map of the Milky Way
Astronomers have published a gigantic infrared map of the Milky Way containing more than 1.5 billion objects ― the most detailed one ever made. Using the European Southern Observatory’s VISTA telescope, the team monitored the central regions of our Galaxy over more than 13 years. At 500 terabytes of data, this is the…
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A 9-line summary of textbook physics
All their wonders in one table
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The Nobel Prize in Chemistry 2020
The Nobel Prize in Chemistry 2020 was awarded jointly to Emmanuelle Charpentier and Jennifer A. Doudna "for the development of a method for genome editing"
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CT Scans of Health Wearables
Experience the engineering behind today’s leading health wearables including Oura Ring, Dexcom G7, and Jabra Hearing Aids. Industrial CT scans reveal how these devices merge medical precision with consumer design.