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Introduction to XEphem (Motif)

news.ycombinator.com Unknown 2025-12-12 18:17:25

Introduction to XEphem To start the program, log into one of the Mac classroom computers. Then click the Application icon in the dock. Navigate to the program itself like so. Other Applications xephem-3_7_1 When you click on the program's name to start it, you may have to wait a short time while the program loads. Eventually, when it has finished loading all its datafiles, you'll see the Main XEphem Window. Items which look like slightly raised rectangles indicate that you can change their

Topics: list main objects view window

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Existing NASA Spacecraft Could Intercept the Weird Interstellar Object Cruising Into Our Star System

futurism.com Unknown 2025-12-15 03:21:48

Earlier this month, astronomers noticed a mysterious object speeding toward the inner solar system from outside of our star system. It's an exceedingly rare occurrence, marking only the third confirmed interstellar object to have ventured into our solar system, all of which have been detected since 2017. Harvard astronomer and alien hunter Avi Loeb was quick to raise the tantalizing — albeit admittedly far-fetched — possibility that the object, dubbed 3I/ATLAS, could have been an alien probe s

Topics: 3i atlas juno loeb object

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Adobe adds new AI-powered image-editing features to Photoshop

techcrunch.com Ivan Mehta 2025-12-18 10:00:00

Adobe is bringing more AI-powered image-editing and enhancement features to Photoshop using its Firefly models. The company said today that it is rolling out an image-upscaling feature, an object blending, and an upgraded object remover to Photoshop. The company said that the Generative Upscale feature will enhance an image up to 8 megapixels. This is useful for restoring details to old photos, upscaling images for prints, or adopting assets for various platforms. In 2024, Adobe teased a featu

Topics: adobe disrupt feature object photoshop

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Adobe adds new AI-powered image editing features to Photoshop

techcrunch.com Ivan Mehta 2025-12-19 04:00:00

Adobe is bringing more AI-powered image editing and enhancement features to Photoshop using its Firefly models. The company said today that it is rolling out an image upscaling feature, an object blending, and an upgraded object remover to Photoshop. The company said that the Generative Upscale feature will enhance an image up to 8 megapixels. This is useful for restoring details to old photos, upscaling images for prints, or adopting assets for various platforms. In 2024, Adobe teased a featu

Topics: adobe disrupt feature object photoshop

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Scientist Suggests Tests to See if Large Object Headed Toward Earth Could Be an Alien Spacecraft

futurism.com Unknown 2025-12-22 02:45:01

Earlier this month, astronomers made a fascinating discovery: a mysterious object with interstellar origins, now dubbed 3I/ATLAS, that's hurtling toward the inner solar system at extreme speeds. As scientists race to get a better understanding of the rare visitor — it's only the third confirmed interstellar object to have ventured into our solar system — some intriguing theories have emerged. One particularly eyebrow-raising possibility beyond the mainstream suggestions of it being either a co

Topics: 3i alien atlas object webb

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Interstellar Visitor Zipping Through Our Solar System Could Be a Hostile Probe, Alien-Hyping Scientists Warn

gizmodo.com George Dvorsky 2025-12-26 14:25:18

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for astronomers to study an object born a long time ago in a star system far, far away. But a new paper uploaded to the preprint arXiv server asks an intriguing question: Is the object actually alien technology? For Harvard astronomer and study co-author Abraham Loeb, this is not his first interstellar rodeo. In 2018, Loeb proposed that the interstellar object ‘Oumuamua might be an a

Topics: 3i atlas interstellar object probes

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Neptune Dances in Sync With a Rare Distant Object, Astronomers Find

gizmodo.com Gayoung Lee 2025-12-31 14:10:59

For lovers of newly identified space objects, July has indeed been an exciting month. Last week, astronomers described Ammonite, a potential dwarf planet beyond Pluto. Yesterday, astronomers announced the existence of BetelBuddy, a small companion star orbiting Betelgeuse. And now we have another exciting discovery to share. In a Planetary Science Journal paper published earlier this month, astronomers with the Large inclination Distant Objects (LiDO) survey reported the discovery of 2020 VN40,

Topics: 2020 distant neptune objects solar

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The .a file is a relic: Why static archives were a bad idea all along

news.ycombinator.com Eyal Itkin 2025-12-28 16:59:59

From the perspective of an SDK provider, we must not limit our customers. As such, we are expected to provide both the dynamic linking option, as well as the static linking one. And what will this mean? Dynamic linking — Provide Shared Object ( .so ) libraries, as well as matching compilation ( .pc ) definitions. ) libraries, as well as matching compilation ( ) definitions. Static linking — Provide Static Archive ( .a ) files, as well as matching compilation ( .pc ) definitions. When we bundl

Topics: file linking object static text

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The .a File Is a Relic: Why Static Archives Were a Bad Idea All Along

news.ycombinator.com Eyal Itkin 2025-12-29 16:59:59

From the perspective of an SDK provider, we must not limit our customers. As such, we are expected to provide both the dynamic linking option, as well as the static linking one. And what will this mean? Dynamic linking — Provide Shared Object ( .so ) libraries, as well as matching compilation ( .pc ) definitions. ) libraries, as well as matching compilation ( ) definitions. Static linking — Provide Static Archive ( .a ) files, as well as matching compilation ( .pc ) definitions. When we bundl

Topics: file linking object static text

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My favourite German word

news.ycombinator.com Unknown 2025-12-30 03:11:14

My favourite German word¶ 30th June 2025 A documentation colleague recently challenged me with a question: Nowadays, more and more people reach for an LLM tool to provide the information they want. If human beings don’t actually read it, what is the point of writing and structuring documentation for humans? Newer generations (she said) are becoming unskilled at finding information for themselves. They seem less able to digest what they find, to apply it to their problems. But it’s not just t

Topics: documentation information knowledge objects work

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A brief history of primary coding languages

news.ycombinator.com Apple Fan 2025-12-30 03:33:19

Plenty of great apps have been created using the Mac’s scripting languages, but commercial developers have largely relied on compiled languages used and supported by Apple for app and system development. Over the years those have included Object Pascal, C/C++, Objective-C and most recently Swift. This article provides a brief overview of how those changed. Lisa Clascal (1984-86) Following Apple’s use of UCSD Pascal on Apple II computers, when the Lisa was being developed its primary language w

Topics: apple mac object pascal swift

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Memory Efficiency in iOS: Reducing footprint and beyond

news.ycombinator.com Anton Gubarenko 2026-01-03 22:59:40

Previously, we explored how memory is measured and what tools are available for inspecting usage in iOS apps. Now, let’s shift our focus to reducing memory consumption using a set of practical techniques and development best practices. But first let’s discuss different approaches to treat this problem. Initial Source of a Problem Every spike in memory has a cause, and memory optimization is no exception. Sometimes it’s a 3rd-party library — Lottie is a classic example, especially if you export

Topics: app data memory objects use

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I was wrong about robots.txt

news.ycombinator.com Evgenii Pendragon 2026-01-10 09:35:57

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 2026-01-11 22:23:20

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 2026-01-12 06:02:20

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 2026-01-14 06:03:29

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 2026-01-14 12:03:29

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 2026-01-20 14:00:26

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 2026-01-20 17:25:56

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 2026-01-21 18:10:23

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 2026-01-21 23:25:56

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 2026-01-22 20:35:21

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 2026-01-24 23:17:26

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 2026-01-26 02:13:50

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 2026-01-31 21:45:03

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 2026-02-03 20:48:12

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 2026-02-05 23:30:39

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 2026-02-05 22:05:39

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 2026-02-07 04:05:39

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 2026-02-07 22:37:47

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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Latest Tech News

Introduction to XEphem (Motif)

Existing NASA Spacecraft Could Intercept the Weird Interstellar Object Cruising Into Our Star System

Adobe adds new AI-powered image-editing features to Photoshop

Adobe adds new AI-powered image editing features to Photoshop

Scientist Suggests Tests to See if Large Object Headed Toward Earth Could Be an Alien Spacecraft

Interstellar Visitor Zipping Through Our Solar System Could Be a Hostile Probe, Alien-Hyping Scientists Warn

Neptune Dances in Sync With a Rare Distant Object, Astronomers Find

The .a file is a relic: Why static archives were a bad idea all along

The .a File Is a Relic: Why Static Archives Were a Bad Idea All Along

My favourite German word

A brief history of primary coding languages

Memory Efficiency in iOS: Reducing footprint and beyond

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

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