MindEye2: Shared-Subject Models Enable fMRI-To-Image With 1 Hour of Data: Single-Subject Evaluations

Table of Links Abstract and 1 Introduction 2 MindEye2 and 2.1 Shared-Subject Functional Alignment 2.2 Backbone, Diffusion Prior, & Submodules 2.3 Image Captioning and 2.4 Fine-tuning Stable Diffusion XL for unCLIP 2.5 Model Inference 3 Results and 3.1 fMRI-to-Image Reconstruction 3.2 Image Captioning 3.3 Image/Brain Retrieval and 3.4 Brain Correlation 3.5 Ablations 4 Related Work … Read more

How AI Agents Could Have Supercharged Pfizer’s COVID-19 Vaccine Development

Reimagining Drug Discovery With Autonomous Intelligence In early 2020, Pfizer and BioNTech delivered what many thought was impossible: a viable COVID-19 vaccine developed and distributed in record time. It was a monumental achievement in modern medicine. But as someone working closely with AI agents in complex, high-stakes systems, I often wonder if that process could’ve … Read more

Reconstruction Evaluations Across Varying Amounts of Training Data: Mindeye2

Table of Links Abstract and 1 Introduction 2 MindEye2 and 2.1 Shared-Subject Functional Alignment 2.2 Backbone, Diffusion Prior, & Submodules 2.3 Image Captioning and 2.4 Fine-tuning Stable Diffusion XL for unCLIP 2.5 Model Inference 3 Results and 3.1 fMRI-to-Image Reconstruction 3.2 Image Captioning 3.3 Image/Brain Retrieval and 3.4 Brain Correlation 3.5 Ablations 4 Related Work … Read more

MindEye2 Dataset: fMRI Preprocessing and Normalization

Table of Links Abstract and 1 Introduction 2 MindEye2 and 2.1 Shared-Subject Functional Alignment 2.2 Backbone, Diffusion Prior, & Submodules 2.3 Image Captioning and 2.4 Fine-tuning Stable Diffusion XL for unCLIP 2.5 Model Inference 3 Results and 3.1 fMRI-to-Image Reconstruction 3.2 Image Captioning 3.3 Image/Brain Retrieval and 3.4 Brain Correlation 3.5 Ablations 4 Related Work … Read more

Behind the Scenes: The Making of MindEye2

Table of Links Abstract and 1 Introduction 2 MindEye2 and 2.1 Shared-Subject Functional Alignment 2.2 Backbone, Diffusion Prior, & Submodules 2.3 Image Captioning and 2.4 Fine-tuning Stable Diffusion XL for unCLIP 2.5 Model Inference 3 Results and 3.1 fMRI-to-Image Reconstruction 3.2 Image Captioning 3.3 Image/Brain Retrieval and 3.4 Brain Correlation 3.5 Ablations 4 Related Work … Read more

Developer Productivity with GitHub Copilot & AI Tools by Aditya Mishra

GitHub Copilot, utilizing OpenAI’s Codex, is an AI-powered tool seamlessly integrated into your code editor. It goes beyond traditional autocomplete by offering real-time suggestions for code, functions, snippets, and even entire blocks based on your inputs. Trained on millions of open-source repositories, Copilot acts as a smart, context-aware assistant that accelerates coding, minimizes bugs, and … Read more

🛠️ Fixing the Decline: 5 Proven Ways to Boost Credit Card Authorization Rates

Credit card declines are no longer just an annoyance – they’re a multi-billion dollar growth leak. If you read my last post, you already know the story: Credit card authorization failures quietly destroy revenue across the internet. Most of them aren’t due to fraud. And most can be prevented. This post isn’t about the problem … Read more

Firebase Studio: Everything You Need to Know About

I recently tried using Firebase Studio, which has been an interesting experience I want to share with you. It’s a free, browser-based tool from Google that allows you to build full-stack web apps with AI assistance. Want to know more? Then, read this article until the end. What Is Firebase Studio? Firebase Studio was officially … Read more

Why Blockchain Systems Use Checkpoints for Recovery and Finality

Table of Links Abstract and 1. Introduction Key Concepts 2.1 Append-Only Log and 2.2 Virtual Machine State 2.3 Transactions As Curried Functions 2.4 Natural Names of State 2.5 Ground Truth 2.6 Efficient Representations of State 2.7 Checkpoints 2.8 Execution Parameters: callData 2.9 Execution Ordering 2.10 Deciding on the Correct State Ideal Layer 2 Design 3.1 … Read more

Making Sense of Blockchain Execution and Transaction Order

Table of Links Abstract and 1. Introduction Key Concepts 2.1 Append-Only Log and 2.2 Virtual Machine State 2.3 Transactions As Curried Functions 2.4 Natural Names of State 2.5 Ground Truth 2.6 Efficient Representations of State 2.7 Checkpoints 2.8 Execution Parameters: callData 2.9 Execution Ordering 2.10 Deciding on the Correct State Ideal Layer 2 Design 3.1 … Read more

How Blockchain Defines ‘Truth’

Table of Links Abstract and 1. Introduction Key Concepts 2.1 Append-Only Log and 2.2 Virtual Machine State 2.3 Transactions As Curried Functions 2.4 Natural Names of State 2.5 Ground Truth 2.6 Efficient Representations of State 2.7 Checkpoints 2.8 Execution Parameters: callData 2.9 Execution Ordering 2.10 Deciding on the Correct State Ideal Layer 2 Design 3.1 … Read more

What Happens After You Hit ‘Send’ on Blockchain

:::info Authors: (1) Bennet Yee, Oasis Labs; (2) Dawn Song, Oasis Labs; (3) Patrick McCorry, Infura; (4) Chris Buckland, Infura. ::: Table of Links Abstract and 1. Introduction Key Concepts 2.1 Append-Only Log and 2.2 Virtual Machine State 2.3 Transactions As Curried Functions 2.4 Natural Names of State 2.5 Ground Truth 2.6 Efficient Representations of … Read more

The HackerNoon Newsletter: This Detective Game Helps Beginners Master SQL and Database Logic (4/14/2025)

How are you, hacker? 🪐 What’s happening in tech today, April 14, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Human Genome Project completed in 2003, First US president assassination in 1865, and we present you with these top quality stories. From LangChain Promised an Easy AI Interface … Read more

Inside the System That Optimizes Cross-Border Digital Currency Trading

Table of Links Abstract and 1. Introduction Background 2.1 Layer-2 Blockchains 2.2 Project Mariana Related Work and Contribution System Architecture Model 5.1 Automated Market Makers 5.2 Price Impact Simulation 6.1 Data and Parameters 6.2 Results Discussion Conclusions, Acknowledgements, and References Graphs and Tables 4 System Architecture This paper proposes a novel approach for facilitating cross-border … Read more

This Study Breaks Down the True Costs of CBDC Exchange

Table of Links Abstract and 1. Introduction Background 2.1 Layer-2 Blockchains 2.2 Project Mariana Related Work and Contribution System Architecture Model 5.1 Automated Market Makers 5.2 Price Impact Simulation 6.1 Data and Parameters 6.2 Results Discussion Conclusions, Acknowledgements, and References Graphs and Tables 3 Related Work and Contribution There is an abundance of literature discussing … Read more

What Layer-2 Rollups Mean for CBDC Trading

Table of Links Abstract and 1. Introduction Background 2.1 Layer-2 Blockchains 2.2 Project Mariana Related Work and Contribution System Architecture Model 5.1 Automated Market Makers 5.2 Price Impact Simulation 6.1 Data and Parameters 6.2 Results Discussion Conclusions, Acknowledgements, and References Graphs and Tables 2 Background This section introduces the concept of L2 blockchain scaling, presents … Read more

A New Architecture for Cross-Border CBDC Trading

:::info Authors: (1) Krzysztof Gogol, University of Zurich (gogol@ifi.uzh.ch); (2) Johnnatan Messias, Matter Labs; (3) Malte Schlosser, University of Zurich; (4) Benjamin Kraner, University of Zurich; (5) Claudio Tessone, University of Zurich. ::: Table of Links Abstract and 1. Introduction Background 2.1 Layer-2 Blockchains 2.2 Project Mariana Related Work and Contribution System Architecture Model 5.1 … Read more

“The only real moat that exists is consumer mindshare,” says Friend.com CEO Avi Schiffmann

Avi Schiffmann is the Founder/CEO of Friend.com, the new AI necklace companion. Previously Avi dropped out of Harvard and founded InternetActivism.org, where he notably built a COVID tracker that over 600M people visited. Avi was kind enough to spend a few minutes sharing his rare insights with the HackerNoon community.  Me: What is Friend.com?  Avi … Read more

Answer to Win Your Share of $5000: What is a Blockchain Node and How Does it Work?

For the chance to win from $5000 in the Web3 Development Writing Contest, welcomes submissions from developers, blockchain advocates, and writers who can explore key aspects of Web3 development—like how blockchain nodes work, the best ways to scale dApps, multi-chain interoperability, and more. :::info Below is a list of questions to help you get started … Read more

BingX Kicks off Its 7th Anniversary With “Your Voice, Our Story” Campaign

PANAMA CITY, April 14, 2025 – In celebration of its 7th anniversary, the global leading cryptocurrency exchange BingX unveiled a user story campaign titled “Your Voice, Our Story“, inviting users from around the world to share their unique journeys and unforgettable moments with BingX. This campaign is rooted in BingX’s long-standing user-first vision, running from … Read more

Meet Aptible: HackerNoon Company of the Week

We are back with another Company of the Week feature! Every week, we share an awesome tech brand from our tech company database, making their evergreen mark on the internet. This unique HackerNoon database ranks S&P 500 companies and top startups of the year alike. This week, we are proud to present Aptible, a Platform as a Service … Read more

This Detective Game Helps Beginners Master SQL and Database Logic

Like many developers, I’ve always found traditional SQL tutorials to be tedious. Abstract examples, and little motivation made it hard to stay engaged. As someone who appreciates storytelling, I wondered if there was a better way. Could gamification make learning SQL genuinely enjoyable? This thought inspired my recent project: SQL Noir, a web-based detective game … Read more

How Blockchain Nodes Keep Your Money and Data Safe

:::info Disclaimer: Parts of this article are purely fictional. ZBlockBuilders Inc., its CEO, and all accompanying scenarios are made up to help explain complex blockchain concepts in a fun, relatable way. Any resemblance to real companies or people is purely coincidental. ::: Don’t lose the farm. Every CEO and their team needs to understand how … Read more

LangChain Promised an Easy AI Interface for MySQL—Here’s What It Really Took

LangChain has rapidly become a go-to framework for building powerful applications leveraging Large Language Models (LLMs). While LLMs excel at understanding human language, accessing the vast amounts of structured data locked away in SQL databases typically requires specialized query knowledge. This raises a key question: how can we empower more users to interact with databases, … Read more

This CFO Wrecked His Mercedes Trying to Kill the CEO & 3 Other Entrepreneurial War Stories

The word insane is drastically overused for everything from mild moodiness and irritability to emotional changes. That’s not what this article is about; these are four stories of times I did business with people who were deeply unwell psychologically. Sometimes, I ask myself whether it’s a degree of insanity within myself that has attracted these people and … Read more

HIKMICRO Showcases Advanced Digital Ecosystem for Hunters at IWA 2025

Photo Courtesy of HIKMICRO Shutterless Technology Transforms Thermal Imaging HIKMICRO showcased its game-changing “digital system” concept at the IWA Outdoor Classics 2025 in Nuremberg. The company, known for its cutting-edge digital optics, has introduced an integrated technological ecosystem that enhances every aspect of the hunting experience. The advanced shutterless technology lies central to HIKMICRO’s new … Read more

How to Break Into Cybersecurity Without a Degree or a Million-Dollar Lab

Cybersecurity is one of the most rapidly growing industries in the technology space. With an increase in cyber attacks, businesses in every sector are seeking talented professionals to safeguard their digital properties. But how do you transition from being an inexperienced student to being a successful, well-compensated cybersecurity expert? In this blog, we will outline … Read more