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Science & Space
The most popular blog posts about science & space on Hacker News. 4,454 posts.
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What really happened at the Millennium Tower?
[Note that this article is a transcript of the video embedded above.] The Millennium Tower is the tallest residential building in San Francisco, with 58 stories above the ground and 419 luxury condominium units. The tower opened to residents in 2009, but even before construction was finished, engi
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Astronomers detect regular rhythm of radio waves, with origins unknown
Radio signals from deep space: Astronomers including researchers at MIT have detected the first periodic fast radio burst from 500 million light years away.
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A digestion of the Jacobian conjecture counterexample
The notorious Jacobian conjecture can be formulated concretely over the complex numbers as follows. Conjecture 1 (Jacobian Conjecture) Let $latex {F:{\bf C}^n \rightarrow {\bf C}^n}&fg=000000$ …
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OneWeb will resume satellite launches with SpaceX as the launch provider
31 GEO satellites and Eutelsat’s OneWeb LEO constellation of +600 satellites deliver resilient, secure connectivity across land, sea and air.
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NIST was 5 μs off UTC after last week's power cut
If you were 5 microseconds late today, blame it on NIST. Their facility in Boulder Colorado just had its power cut for multiple days. After a backup generator failed, their main ensemble clock lost track of UTC, or Universal Time Coordinated. But even if you used the NTP timing servers they run, they were never off by…
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Most Influential Papers in Computer Science History
This post celebrates influential papers that shaped technology and communication. Their foundational concepts inspire continued innovation, highlighting the importance of understanding our roots fo…
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Go Pro on a soaring eagle [video]
What does it feel like to soar majestically like an bird? Maybe something like this video, shot with a camera strapped to the back of an eagle flying near Chamo
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Fluorite lenses: Corrective capabilities beyond ordinary optical glass
Canon developed its own technology for forming large, high-purity artificial fluorite crystals using fluorite ore as a raw material.
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Wildfire restored a Yosemite watershed
Half a century of allowing lightning fires to burn in Yosemite’s Illilouette Creek Basin has recreated a lost forest ecosystem that is far more resilient to the impacts of drought, wildfire and climate change
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Photos of the An-225 Mriya – the world’s largest aircraft
An-225 Mriya (which is referred to Dream from Ukrainian) is the heaviest airlift cargo aircraft ever taken off in the sky. The maximum takeoff weight makes 640 tons. An-225 was designed, due to the necessity to create the air transport system for the Soviet reusable Space Shuttle Buran. This is the…
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The Thrill of Flying the SR-71 Blackbird
Aviator's love for the SR-71
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Movies every physics lover should watch (2020)
Biographical, time travel, quantum physics and philosophy films
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What happens when you try to publish a failure to replicate in 2015/2016
Anyone who has talked to me in the last year would have heard me complain about my 8-times-failure-to-replicate which nobody wants to publis...
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The Color of Infinite Temperature
This is the color of something infinitely hot. Of course you’d instantly be fried by gamma rays of arbitrarily high frequency, but this would be its spectrum in the visible range. This…
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One universal antiviral to rule them all?
Taking inspiration from a rare mutation that makes people impervious to viral diseases, a Columbia researcher is developing a therapy that could bestow this superpower on the rest of us.
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Folks, we have the best π
And some novel ideas for bicycle wheel design.
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Europe's new heavy-lift rocket, Ariane 6, made its inaugural flight
Europe's new heavy-lift rocket, Ariane 6, made its inaugural flight from Europe's Spaceport in French Guiana at 16:00 local time on 9 July (20:00 BST, 21:00 CEST).
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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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Nobel Prize in Physics awarded to Englert and Higgs
The Nobel Prize in Physics 2013 was awarded jointly to François Englert and Peter W. Higgs "for the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and which recently was confirmed through the discovery of the predicted fundamental particle, by…
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Early progress on accelerating drug development with Claude
Over the past several months, we’ve partnered with six organizations to accelerate curing disease. We’ve also started drug discovery efforts of our own, including programs for rare childhood forms of muscular dystrophy. In this post, we provide an update on our progress.
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Thorium Reactors
My last article about thorium as an alternative nuclear reactor fuel drew way more readers than I expected. I intentionally glossed over the complexities of specific reactor designs for the sake of simplicity, but in this article I want to go deeper. This article explains some of the differences between traditional…
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FAQ on Microsoft's topological qubit thing
Q1. Did you see Microsoft’s announcement?A. Yes, thanks, you can stop emailing to ask! Microsoft’s Chetan Nayak was even kind enough to give me a personal briefing a few weeks ago. Yest…
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Algorithm recovers speech from a potato-chip bag filmed through glass (2014)
Algorithm recovers speech from the vibrations of a potato-chip bag filmed through soundproof glass.