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I was wrong about robots.txt

news.ycombinator.com Evgenii Pendragon 2025-07-23 21:35:57

Recently, I wrote an article about my journey in learning about robots.txt and its implications on the data rights in regards to what I write in my blog. I was confident that I wanted to ban all the crawlers from my website. Turned out there was an unintended consequence that I did not account for. My LinkedIn posts became broken# Ever since I changed my robots.txt file, I started seeing that my LinkedIn posts no longer had the preview of the article available. I was not sure what the issue wa

Topics: graph linkedin object page posts

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Astronomer Says the Object Approaching Us From Beyond the Solar System Is Not What We Think

futurism.com Unknown 2025-07-25 04:23:20

Earlier this month, astronomers were thrilled to spot an interstellar object — only the third of its kind ever observed — hurtling toward the center of the solar system on an extremely unusual trajectory and at a breakneck velocity. While we're only beginning to understand the unusual object, dubbed 3I/ATLAS, the discovery led to widespread speculation, with some scientists suggesting that it may be almost as old as the Milky Way galaxy itself, and billions of years older than our own Sun. Uns

Topics: 3i atlas interstellar loeb object

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SCP-055 is an "antimeme" – it erases itself from memory when observed

news.ycombinator.com Unknown 2025-07-25 11:02:20

SCP-055 by qntm and CptBellman Item #: SCP-055 Object Class: Keter Special Containment Procedures: Object is kept within a five (5) by five (5) by two point five (2.5) meter square room constructed of cement (fifty (50) centimeter thickness), with a Faraday cage surrounding the cement walls. Access is via a heavy containment door measuring two (2) by two point five (2.5) meters constructed on bearings to ensure door closes and locks automatically unless held open deliberately. Security guard

Topics: 055 dr hughes object scp

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Fundamentals of garbage collection (2023)

news.ycombinator.com Unknown 2025-07-27 03:03:29

Access to this page requires authorization. You can try signing in or changing directories . Fundamentals of garbage collection In the common language runtime (CLR), the garbage collector (GC) serves as an automatic memory manager. The garbage collector manages the allocation and release of memory for an application. Therefore, developers working with managed code don't have to write code to perform memory management tasks. Automatic memory management can eliminate common problems such as forg

Topics: garbage generation heap memory objects

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Fundamentals of Garbage Collection

news.ycombinator.com Unknown 2025-07-27 08:03:29

Access to this page requires authorization. You can try signing in or changing directories . Fundamentals of garbage collection In the common language runtime (CLR), the garbage collector (GC) serves as an automatic memory manager. The garbage collector manages the allocation and release of memory for an application. Therefore, developers working with managed code don't have to write code to perform memory management tasks. Automatic memory management can eliminate common problems such as forg

Topics: garbage generation heap memory objects

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An Interstellar Comet Is Here, and Its Age Is Mind-Bending

gizmodo.com Ellyn Lapointe 2025-08-01 09:00:26

This article was updated at 9:00 a.m. ET on Friday, July 11, to include new information. After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some well-deserved time off. It would appear the universe had other plans for him. The very next day, the Atlas Terrestrial-impact Last Alert System (ATLAS) telescope in Rio Hurtado, Chile, detected a mysterious object whizzing toward the Sun. Early observations suggested that it came from o

Topics: 3i atlas hopkins interstellar object

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What is Realtalk’s relationship to AI? (2024)

news.ycombinator.com Unknown 2025-08-01 12:25:56

Dynamicland FAQ An independent nonprofit research lab, whose mission is to enable universal literacy in a humane dynamic medium. This involves inventing a humane form of computing, and developing educational and community-based institutions in which a culture can grow. [more] A computing environment (operating system, programming languages, philosophy) invented by Dynamicland researchers to enable us to prototype a new medium. In Realtalk, people work together side-by-side in the real world,

Topics: objects people physical realtalk world

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The Interstellar Visitor Hurtling Toward the Center of Our Star System Is Unimaginably Ancient, Scientists Say

futurism.com Unknown 2025-08-02 09:10:23

Astronomers recently confirmed that a mysterious object, dubbed 3I/ATLAS, came from interstellar space and is now blowing through the solar system at extremely high speeds. It's only the third confirmed interstellar object to have reached our star system, following 'Oumuamua, which was spotted in 2018, and a comet dubbed 2I/Borisov, which was identified in tk. Now, scientists are racing to better understand 3I/ATLAS and whether it can shed more light on the nature of interstellar objects like

Topics: 3i atlas comet interstellar objects

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Bret Victor on why current trend of AIs is at odds with his work

news.ycombinator.com Unknown 2025-08-02 13:25:56

Dynamicland FAQ An independent nonprofit research lab, whose mission is to enable universal literacy in a humane dynamic medium. This involves inventing a humane form of computing, and developing educational and community-based institutions in which a culture can grow. [more] A computing environment (operating system, programming languages, philosophy) invented by Dynamicland researchers to enable us to prototype a new medium. In Realtalk, people work together side-by-side in the real world,

Topics: objects people physical realtalk world

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Is Gemini 2.5 good at bounding boxes?

news.ycombinator.com Simon Edwardsson 2025-08-03 06:35:21

Is Gemini 2.5 good at bounding boxes? Sort of... July 10, 2025 TL;DR Gemini 2.5 Pro is a decent object detector, matching Yolo V3 from 2018 on MS-COCO val. Multimodal Large Language Models keep getting better, but are they ready to dethrone CNNs in computer vision tasks like object detection? The allure of skipping dataset collection, annotation, and training is too enticing not to waste a few evenings testing. I decided to write a small benchmark and check Gemini 2.5 on MS-COCO, focusing on

Topics: 5000 flash gemini object pro

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A Third Interstellar Visitor Is Here, and Astronomers Might Know Where It Came From

gizmodo.com Ellyn Lapointe 2025-08-05 01:17:26

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some well-deserved time off. It would appear the universe had other plans for him. The very next day, the Atlas Terrestrial-impact Last Alert System (ATLAS) telescope in Rio Hurtado, Chile, detected a mysterious object whizzing toward the Sun. Early observations suggested that it came from outside our solar system, potentially marking the third discovery of an interstellar object

Topics: 3i atlas hopkins interstellar object

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Berry Script: lightweight embedded scripting language for microcontrollers

news.ycombinator.com Unknown 2025-08-05 23:13:50

What is it ? Berry is a ultra-lightweight dynamically typed embedded scripting language. It is designed for lower-performance embedded devices. The Berry interpreter-core's code size is less than 40KiB and can run on less than 4KiB heap (on ARM Cortex M4 CPU, Thumb ISA and ARMCC compiler). The interpreter of Berry include a one-pass compiler and register-based VM, all the code is written in ANSI C99. In Berry not every type is a class object. Some simple value types, such as int, real, boolean

Topics: berry class code compiler object

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Mysterious Object Headed Into Our Solar System Is Coming From the Center of the Galaxy

futurism.com Unknown 2025-08-10 19:45:03

Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from interstellar space. Yesterday, the intriguing stranger was named A11pl3Z. Now, it's earned the esteemed designation 3I/ATLAS — that "I" standing for "interstellar." 3I/ATLAS is currently located between the orbits of the asteroid belt and Jupiter, the New York Times reports, where it's about 416 million miles away from the Sun, NASA said. That's equal to four and a half times the

Topics: 3i atlas interstellar nyt object

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Show HN: Fast Thermodynamic Calculations in Python

news.ycombinator.com Unknown 2025-08-13 06:48:12

Gaspype provides two main classes: fluid and elements . A fluid object can have multiple compositions. A multidimensional fluid object can be created for example by multiplication with a numpy array: In some cases not the molecular but the atomic composition is of interest. The elements class can be used for atom based balances and works similar: el = gp . elements ({ 'N' : 1 , 'Cl' : 2 }) el . get_mass () np . float64 ( 0.08490700000000001 ) A elements object can be as well instantiated fr

Topics: 00 elements fluid gp object

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Confirmed: A Rare Interstellar Object Is Passing Through Our Solar System

gizmodo.com Ellyn Lapointe 2025-08-15 01:30:39

Update: July 3, 09:24 a.m. ET: On Wednesday, July 2, the International Astronomical Union’s Minor Planet Center confirmed that an interstellar object is traveling through our solar system. Officially named 3I/ATLAS, the object appears to be a comet hurtling toward the Sun. Original article follows. Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system. Preliminary observations suggest it came from interstellar space, and if confirme

Topics: a11pl3z earth interstellar object solar

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Meet A11pl3Z, a Possible Third-Known Interstellar Visitor Whizzing Through Our Solar System

gizmodo.com Ellyn Lapointe 2025-08-15 00:05:39

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system. Preliminary observations suggest it came from interstellar space, and if confirmed, it would mark the third discovery of an interstellar object in history. The cosmic visitor—tentatively named A11pl3Z—first appeared in data collected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) between June 25 and 29, Universe Today reports. ATLAS uses telescopes in Chile, South A

Topics: a11pl3z astronomers earth object solar

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Only the Third Ever Detected Interstellar Object May Be Whizzing Through Our Solar System Right Now

gizmodo.com Ellyn Lapointe 2025-08-16 01:05:39

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system. Preliminary observations suggest it came from interstellar space, and if confirmed, it would mark the third discovery of an interstellar object in history. The cosmic visitor—tentatively named A11pl3Z—first appeared in data collected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) between June 25 and 29, Universe Today reports. ATLAS uses telescopes in Chile, South A

Topics: a11pl3z astronomers earth object solar

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Large Object From Interstellar Space Detected Heading Toward Center of Solar System

futurism.com Unknown 2025-08-16 16:37:47

A new interstellar object has been spotted careening into the solar system at an extremely unusual trajectory. If its interstellar origins were to be confirmed, it'd only be the third of its kind spotted in the solar system in history. An oblong interstellar object, dubbed 'Oumuamua, was first discovered in 2017, while comet 2I/Borisov was detected in 2019. The latest addition, provisionally named A11pl3Z, has a highly unusual trajectory, leading astronomers to believe it may have also origina

Topics: comet eccentricity interstellar object solar

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Astronomers may have found a third interstellar object

arstechnica.com Unknown 2025-08-17 09:38:27

There is a growing buzz in the astronomy community about a new object with a hyperbolic trajectory that is moving toward the inner Solar System. Early on Wednesday, the European Space Agency confirmed that the object, tentatively known as A11pl3Z, did indeed have interstellar origins. "Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's Operations account shared on Blue Sky. "ESA’s Planetary Defenders are observing the object, prov

Topics: a11pl3z astronomers object orbit sky

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The provenance memory model for C

news.ycombinator.com Unknown 2025-08-22 12:25:14

In this article, I will try to explain what this is all about, namely on how a provenance model for pointers interferes with alias analysis of modern compilers. For those that are not fluent with the terminology or the concept we have a short intro what pointer aliasing is all about , a review of existing tools to help the compiler and inherent difficulties and then the proposed model itself . At the end there is a brief takeaway that explains how to generally avoid complications and loss of opt

Topics: object pointer pointers storage value

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Cell Towers Can Double as Cheap Radar Systems for Ports and Harbors (2014)

news.ycombinator.com Ian Chant 2025-08-22 10:48:12

How do you see ships without a pricey radar system? The question has troubled seaports around the world as they work to improve security. Without radar installations, it can be hard for port employees to detect small ships like those employed by pirates or by the terrorists who attacked the USS Cole in 2000. A team of researchers in Germany can now offer security teams a new option, though: putting existing cellular towers to work as quick and dirty radar systems. Developed at the Fraunhofer In

Topics: cell objects pcl radar signals

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Parsing JSON in Forty Lines of Awk

news.ycombinator.com Mohamed Akram 2025-08-22 05:23:48

JSON is not a friendly format to the Unix shell — it’s hierarchical, and cannot be reasonably split on any character (other than the newline, which is not very useful) as that character might be included in a string. There are well-known tools such as jq that let you correctly parse JSON documents in the shell, but all require an additional dependency. Another option is to use Python, which is ubiquitous enough that it can be expected to be installed on virtually every machine, and for new proje

Topics: json key object substr type

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Assembly Theory of Time

news.ycombinator.com Unknown 2025-08-29 05:41:02

If the lineages are followed back beyond the origin of life on Earth to the origin of the universe, it would be logical to assume that the memory of the universe was lower in the past, which means that the universe's ability to generate objects of high Assembly is limited by its size in time. Some objects are too large in time to come into existence in intervals that are smaller than their assembly index. For complex objects such as computers to exist in our universe, many other objects had to f

Topics: assembly object objects time universe

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NASA Satellite That’s Been Dead for 57 Years Sends Mysterious Signal to Earth

gizmodo.com Passant Rabie 2025-08-30 13:05:27

A little over a year ago, scientists in Australia picked up a brief burst of electromagnetic radiation. The pulse was so strong that it eclipsed all other signals coming from the sky, but its origins were unknown. After digging through the data, the team discovered that the source wasn’t a distant celestial object but rather a zombie satellite left to orbit Earth with no purpose. NASA’s Relay-2 launched on January 21, 1964, two years after its predecessor, Relay-1, was sent to orbit. The pair w

Topics: object orbit radio relay scientists

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How Hourglass Vision Transformers Are Redefining Camouflaged Object Detection

computer.org Enrique Quezada 2025-09-07 08:58:20

Introduction While camouflage gives wildlife and military vehicles a strategic survival advantage, it poses challenges, both for human and computer vision systems. It is difficult enough to detect objects designed to blend with their environments, but when the objects have blurry edges, the detection process is even more problematic. However, in a paper written for the 2025 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV), Jinpeng He, Biyuan Liu, and Huaixin Chen of the Uni

Topics: camouflaged details hdpnet image objects

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Object personification in autism: This paper will be sad if you don't read (2018)

news.ycombinator.com White Rc Remington A 2025-09-13 04:34:48

Object personification is the attribution of human characteristics to non-human agents. In online forums, autistic individuals commonly report experiencing this phenomenon. Given that approximately half of all autistic individuals experience difficulties identifying their own emotions, the suggestion that object personification may be a feature of autism seems almost paradoxical. Why would a person experience sympathy for objects, when they struggle to understand and verbalise the emotions of ot

Topics: autistic given individuals object personification

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How fast can the RPython GC allocate?

news.ycombinator.com Cf Bolz-Tereick 2025-09-14 00:55:09

While working on a paper about allocation profiling in VMProf I got curious about how quickly the RPython GC can allocate an object. I wrote a small RPython benchmark program to get an idea of the order of magnitude. The basic idea is to just allocate an instance in a tight loop: class A ( object ): pass def run ( loops ): # preliminary idea, see below for i in range ( loops ): a = A () a . i = i The RPython type inference will find out that instances of A have a single i field, which is an i

Topics: gb gc object run time

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Are Those Viral ‘Cooling Blankets’ for Real?

wired.com Rhett Allain 2025-09-16 06:00:00

If you spend much time on the internet, you will see the same things pop up again and again. For me, it's these “cooling blankets” that people talk about on social media. I mean, it sounds great for summer—just like a blanket that warms you up but in reverse. Sadly, these products don’t do what they claim. They might be breathable so they don’t make you as hot as an ordinary blanket would, but you’d still be cooler with no blanket at all. However, there is hope. Someone has created a real cooli

Topics: blanket block energy objects temperature

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Man Wakes Up, Finds That Large Chunk of SpaceX Rocket Has Crashed Into His Garden

futurism.com Unknown 2025-06-03 12:27:16

A Polish man named Adam Borucki made an unusual discovery in his backyard after waking up one day: the purported remains of a second stage of a SpaceX Falcon 9 rocket. As the UK tabloid The Daily Mail reports, Borucki reported the "large object about [five by three feet] in size" to the local police. "We are investigating how the object ended up in this location, but the important thing is that no one was harmed," police spokesman Andrzej Borowiak told the tabloid. It seems likely that the ob

Topics: falcon object rocket spacex stage

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Latest Tech News

I was wrong about robots.txt

Astronomer Says the Object Approaching Us From Beyond the Solar System Is Not What We Think

SCP-055 is an "antimeme" – it erases itself from memory when observed

Fundamentals of garbage collection (2023)

Fundamentals of Garbage Collection

An Interstellar Comet Is Here, and Its Age Is Mind-Bending

What is Realtalk’s relationship to AI? (2024)

The Interstellar Visitor Hurtling Toward the Center of Our Star System Is Unimaginably Ancient, Scientists Say

Bret Victor on why current trend of AIs is at odds with his work

Is Gemini 2.5 good at bounding boxes?

A Third Interstellar Visitor Is Here, and Astronomers Might Know Where It Came From

Berry Script: lightweight embedded scripting language for microcontrollers

Mysterious Object Headed Into Our Solar System Is Coming From the Center of the Galaxy

Show HN: Fast Thermodynamic Calculations in Python

Confirmed: A Rare Interstellar Object Is Passing Through Our Solar System

Meet A11pl3Z, a Possible Third-Known Interstellar Visitor Whizzing Through Our Solar System

Only the Third Ever Detected Interstellar Object May Be Whizzing Through Our Solar System Right Now

Large Object From Interstellar Space Detected Heading Toward Center of Solar System

Astronomers may have found a third interstellar object

The provenance memory model for C

Cell Towers Can Double as Cheap Radar Systems for Ports and Harbors (2014)

Parsing JSON in Forty Lines of Awk

Assembly Theory of Time

NASA Satellite That’s Been Dead for 57 Years Sends Mysterious Signal to Earth

How Hourglass Vision Transformers Are Redefining Camouflaged Object Detection

Object personification in autism: This paper will be sad if you don't read (2018)

How fast can the RPython GC allocate?

Are Those Viral ‘Cooling Blankets’ for Real?

Man Wakes Up, Finds That Large Chunk of SpaceX Rocket Has Crashed Into His Garden

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