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Amazing : Researchers from ETH Zurich in Switzerland, however, managed to create a new type of pixel that can simultaneously do both. This hypercharged pixel, called a Fourier pixel, can generate and sense arbitrary light fields and tap into a pixel’s full potential for carrying information by manipulating light’s intensity, oscillation phases, and polarization. The team reported its findings in a paper published yesterday in Nature. We are one step closer to 1984 technology: The telescreen received and transmitted simultaneously. Any sound that Winston made, above the level of a very low whisper, would be picked up by it; moreover, so long as he remained within the field of vision which the metal plaque commanded, he could be seen as well as heard. There was of course no way of knowing whether you were being watched at any given moment...

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Co-founded by serial entrepreneur Shai Morag, Israeli identity management startup Oak is emerging out of stealth with $60 million in seed funding.

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Have you ever been in a computer lab, classroom, or office where you needed to quickly send a file between your phone and laptop? I run into this problem all the time. Sometimes there's no USB cable, no pendrive, Bluetooth is painfully slow, or uploading to cloud storage just to download the file on another device feels unnecessary. So I decided to build SilentShare . What is SilentShare? SilentShare is a browser-based peer-to-peer file sharing application that lets you instantly share: 📁 Files (up to 50 MB) 💻 Code snippets 📝 Text 🖼️ Images No installation. No account. No server storing your files. Your data goes directly from one device to another using WebRTC . Whether you're sending files from your phone to your laptop, between classmates, or across the internet, SilentShare keeps the process simple. Why I Built It I wanted something that: Opens instantly in any browser Doesn't require creating an account Doesn't upload files to someone else's server Works on desktop and mobile Feels lightweight and fast Instead of relying on cloud storage, I wanted the browser itself to become the transfer tool. Features ✨ Peer-to-peer file transfer using WebRTC 📂 File sharing up to 50 MB (including ZIP files) 🔒 Optional end-to-end encrypted rooms using AES-GCM 📷 QR code invitations with built-in camera scanner 📊 Live progress, transfer speed, ETA, pause & resume 🖼️ Preview support for: Images Audio Video PDFs 💻 Share code snippets with syntax highlighting 👥 Multi-user rooms (around 5 participants) 🌙 Dark & Light mode 📱 Installable as a Progressive Web App (PWA) How It Works Create a room Receive a random room code Share the code, QR code, or invite link Other devices join Start sharing instantly The files are transferred directly between devices instead of passing through a storage server. Privacy One of the goals of SilentShare was privacy. No user accounts No cloud storage No permanent database Nothing stored after the browser tab closes If you set a room password, all transf

While we can build simple applications without using classes using PySide6, But in big applications and Massive coding systems We should use Classes But why? To understand why do we need classes in PySide6 We should first see the Python code First from PySide6.QtWidgets import QApplication , QWidget , QPushButton , QLineEdit import sys class MainWindow ( QWidget ): def __init__ ( self ): super (). __init__ () button1 = QPushButton ( " Button 1 " ) input = QLineEdit () if __name__ == " __main__ " : app = QApplication ( sys . argv ) window = MainWindow () window . show () app . exec () Before talking about why do we need Classes for PySide6 Let's Explain the code first line by line The imports first thing we make the imports we do need: from PySide6.QtWidgets import QApplication, QWidget, QPushButton, QLineEdit The QApplication Is the simply the application we will make, Like empty app on the RAM it do nothing but it's on the RAM if it's alone And the QWidget Is the Blank screen That will be placed on the Empty Application in the RAM The QPushButton Is like any button we are saying in any app Like the Subscribe button on YouTube or like Post button on Twitter QLineEdit is the input bar, Like the input bar of ChatGPT where you put on it your prompt or like The input bar in WhatsApp Where you type any thing on it to send it to your friends The class And finally The thing You clicked on the post for First thing we define the class How can we define it? Why do we need to define it? Why do even we want it? Who created it? (NOOO IAM JUST KIDDING) We can simply define the class in python by just typing class That's it just class then the name of it For Example MainWindow and then a little semi-colon : OR EVEN WE GIVE IT A Parents And Why do we need to define it, For simply use it BRILLIANT RIGHT? And we want the classes in PySide6 for give it a parents QWidget or even QMainWindow , And we will explain both of them right now but before it Let's explain first what does parents

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Try the demo: K-Saju Crew For fun only. K-Saju is an entertainment project. The K-Pop roles below are a playful interpretation of saju-inspired signals, not personality assessment or advice. A two-person compatibility page can stay stateless with almost no effort. Put both birth dates in a URL, render the result on the server, and the link is the record. No account, no database, no cleanup job. That was already a product rule in K-Saju. We do not retain personal inputs. A result is reproducible from its GET parameters. Then we built /crew : “What if your friend group debuted as a K-Pop group?” A creator makes a link, sends it to a group chat, and each friend enters their own birth date. At three to seven members, the app assigns distinct positions, shows pairwise chemistry, and creates a shareable poster. The fun part is the casting. The engineering problem is that the social flow needs a temporary shared state. A link cannot accumulate submissions by itself. This post is about the decisions behind that feature: where we allowed state, how we made the result durable without retaining a lobby forever, and how we kept the casting explainable instead of treating it as a black-box score. The conflict: a self-service group flow needs somewhere to collect data There were two clean but incomplete options. The first was to keep everything stateless. The creator would enter all members' dates at once, then receive a result URL. It matched our existing architecture, but it defeated the point of sharing a link. The person who starts the group often does not know everyone else's date, and asking them to collect it in a chat creates friction before the feature has started. The second was a conventional persistent group object. It would make joining easy, but it would turn a deliberately stateless service into one that keeps user-provided dates indefinitely unless we built retention and deletion policies around it. We chose a hybrid instead: The lobby is temporary state. It store

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Why async matters for video I've been running useKnockout - a background removal API that processes images in ~200ms - for a few months. Images are fast enough to handle synchronously: POST a file, wait 200ms, get a PNG back. Video is different. Even a 5-second clip at 30fps is 150 frames. At 200ms per frame, that's 30 seconds of processing. You can't hold an HTTP connection open for 30 seconds and call it a good API. So today I shipped POST /video/remove - async video background removal that returns a job ID immediately, processes in the background, and gives you ProRes 4444 (RGB+alpha) when it's done. What shipped As of v0.11.0 (July 10, 2026): POST /video/remove - upload a video, get a job ID back GET /jobs/{job_id} - poll for status, download the result when ready ProRes 4444 output - RGB with full alpha channel, ready to drop into Premiere/Final Cut/DaVinci Node SDK videoRemove() and getJob() in v0.7.0 Python SDK video_remove() and get_job() in v0.7.0 Billing is a dedicated video.seconds meter at $0.10/sec (different from the per-image rate), with a 15-second cap to keep costs predictable. How to use it (Node SDK) import { useKnockout } from ' useknockout-node ' ; import fs from ' fs ' ; const client = useKnockout ({ apiKey : process . env . KNOCKOUT_API_KEY }); // Submit the video const job = await client . videoRemove ({ file : fs . createReadStream ( ' ./input.mp4 ' ) }); console . log ( ' Job ID: ' , job . id ); // Poll until done let status = await client . getJob ( job . id ); while ( status . status === ' processing ' ) { await new Promise ( resolve => setTimeout ( resolve , 2000 )); status = await client . getJob ( job . id ); } if ( status . status === ' completed ' ) { // Download the ProRes 4444 result const video = await fetch ( status . result_url ); const buffer = await video . arrayBuffer (); fs . writeFileSync ( ' ./output.mov ' , Buffer . from ( buffer )); } The job object includes duration_seconds (billed amount), status ( processing / complet