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3 Best Hall Effect Keyboards for Gamers and Serious Typists (2025)

wired.com Henri Robbins 2025-07-21 18:03:00

Polling rate is likely one of the most prominently displayed details on any Hall effect keyboard, purely because the large numbers emphasize one of the most important aspects of these keyboards: Speed. Whether a keyboard has a 1,000- or 10,000-Hz polling rate, this number represents how many messages are sent from the keyboard to the PC every second. For example, a keyboard with 1,000-Hz polling will send 1000 messages every second. Most office equipment operates at 125 Hz. In high-performance g

Topics: 000 distance hz keyboard keyboards
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Slack is getting a host of new AI tools

engadget.com Unknown 2025-07-22 02:00:23

Slack, the cloud‑based team messaging juggernaut, is charging ahead with further integration of AI into users’ day‑to‑day experience. The company is introducing a series of tools aimed at improving productivity and improving team communication. AI writing assistance has been built directly into Slack Canvas, allowing users to create assets like project briefs as well as refine the content they create using natural‑language prompts. Writing assistance can also be used to generate and assign acti

Topics: ai assistance slack tools users
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Petabit-class transmission over > 1000 km using standard 19-core optical fiber

news.ycombinator.com Unknown 2025-07-23 10:06:20

An international research team led by the Photonic Network Laboratory at the National Institute of Information and Communications Technology (NICT, President: TOKUDA Hideyuki Ph.D.), and including Sumitomo Electric Industries, Ltd. (Sumitomo Electric, President: INOUE Osamu) have set a new world record in optical fiber communications, achieving data transmission at 1.02 petabits per second over a distance of 1,808 kilometers (roughly equivalent to the distance from Sapporo to Fukuoka, from Misso

Topics: communication distance fiber optical transmission
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Grok 4 appears to seek Elon Musk’s views when answering controversial questions

cnbc.com Dylan Butts 2025-07-31 09:26:16

Elon musk and the xAI logo. Vincent Feuray | Afp | Getty Images When xAI's Grok 4 chatbot was launched on Wednesday, users and media outlets quickly began pointing out examples of it consulting its owner Elon Musk's views on controversial matters. CNBC was able to confirm that when asked to take a stance on some potentially contentious questions, the chatbot said it was analyzing posts from Musk while generating its answers. When asked, "Who do you support in the Israel vs Palestine conflict? O

Topics: asked grok musk questions stance
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HyAB k-means for color quantization

news.ycombinator.com Unknown 2025-08-03 06:34:30

HyAB k-means for color quantization Color quantization in CIELAB space, visualized. The input is converted to CIELAB space and a special “HyAB” distance formula is used when clustering. This in theory should result in better image quality. I’ve been obsessing over color quantization algorithms lately, and when I learned that an image conversion app called Composite did its so-called pixel mapping step in CIELAB space, I instantly thought of the “HyAB” color distance formula I’d seen in the FLI

Topics: cielab color distance hyab means
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Collatz's Ant and Σ(n)

news.ycombinator.com Unknown 2025-08-09 11:12:45

Collatz's Ant and Σ(n) Relevant preceding posts here and here. Consider the corresponding ant’s landscape development for $n = 500$: with the last frame being: Let’s also consider a score function $\Sigma(n)$ which returns the number of 1’s (or marked states) left by the ant on the corresponding landscape (regarding the last frame). With the prior example, we would have $\Sigma(500) = 54$. We might also want to normalize this by the corresponding stopping time $\tau_{n}$ characteristic of th

Topics: 500 ant consider corresponding distance
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Mandatory battery throttling is coming for more Pixels with poor battery health (APK teardown)

androidauthority.com Unknown 2025-08-15 06:58:53

Aamir Siddiqui / Android Authority TL;DR Google could potentially force Battery Health Assistance to remain enabled on Pixel phones with poor battery health. Users may not be able to change/disable the feature until they replace their phone’s battery. Pixel 9a users have Battery Health Assistance already enabled and mandatory, even on new devices. Update, July 2, 2025 (1:58 PM ET): Well, that didn’t take long! Just hours after sharing our findings with you about Battery Health Assistance cha

Topics: assistance battery google health pixel
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Is mandatory battery throttling coming for more Pixels with poor battery health? (APK teardown)

androidauthority.com Unknown 2025-08-15 18:09:53

Aamir Siddiqui / Android Authority TL;DR Google could potentially force Battery Health Assistance to remain enabled on Pixel phones with poor battery health. Users may not be able to change/disable the feature until they replace their phone’s battery. Pixel 9a users have Battery Health Assistance already enabled and mandatory, even on new devices. Pixel smartphones have been a staple recommendation as great Android phones, but lately, we’ve been hearing more and more about their battery issu

Topics: assistance battery google health pixel
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Painting with Math: A Gentle Study of Raymarching (2023)

news.ycombinator.com Unknown 2025-09-02 21:52:17

Most of my experience writing GLSL so far focused on enhancing pre-existing Three.js/React Three Fiber scenes that contain diverse geometries and materials with effects that wouldn't be achievable without shaders, such as my work with dispersion and particle effects. However, during my studies of shaders, I always found my way to Shadertoy, which contains a multitude of impressive 3D scenes featuring landscapes, clouds, fractals, and so much more, entirely implemented in GLSL. No geometries. No

Topics: distance float raymarching scene vec3
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Painting with Math: A Gentle Study of Raymarching

news.ycombinator.com Unknown 2025-09-04 03:52:17

Most of my experience writing GLSL so far focused on enhancing pre-existing Three.js/React Three Fiber scenes that contain diverse geometries and materials with effects that wouldn't be achievable without shaders, such as my work with dispersion and particle effects. However, during my studies of shaders, I always found my way to Shadertoy, which contains a multitude of impressive 3D scenes featuring landscapes, clouds, fractals, and so much more, entirely implemented in GLSL. No geometries. No

Topics: distance float raymarching scene vec3
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DARPA program sets distance record for power beaming

news.ycombinator.com Unknown 2025-09-12 11:40:40

In a series of recent tests in New Mexico, the Persistent Optical Wireless Energy Relay (POWER) program achieved several new records for transmitting power over distance. The team recorded more than 800 watts of power delivered during a 30-second transmission from a laser 8.6 kilometers (5.3 miles) away. Over the course of the test campaign, more than a megajoule of energy was transferred. Previously, the greatest reported distance records for an appreciable amount of optical power (>1 microwat

Topics: distance energy power receiver test
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