Bryan Goldstein

Software engineer and AI researcher at BCG. Writing about development, AI, systems, and whatever I'm currently obsessing over.

Your Brain is a Transformer (Or Maybe It's the Other Way Around)
March 27, 2026

Your Brain is a Transformer (Or Maybe It's the Other Way Around)

I’ve been going down a rabbit hole lately that I can’t stop thinking about, so naturally I have to write about it. It started with a simple question: why does the …

Nasal Drops Bypass Blood Brain Barrier for GBM
January 28, 2026 · Code & Cosmos · 5:13

Nasal Drops Bypass Blood Brain Barrier for GBM

Short episode

MASI Replaces Lenses with Software Imaging
January 27, 2026 · Code & Cosmos · 5:09

MASI Replaces Lenses with Software Imaging

Short episode

DeepSouth Simulates the Human Brain Power
January 26, 2026 · Code & Cosmos · 4:32

DeepSouth Simulates the Human Brain Power

Short episode

Your Brain Predicts Speech Like An LLM
January 25, 2026 · Code & Cosmos · 4:51

Your Brain Predicts Speech Like An LLM

Short episode

We Are Living Inside A Black Hole
January 25, 2026 · Code & Cosmos · 5:17

We Are Living Inside A Black Hole

Short episode

Selling Sunlight From Space
January 25, 2026 · Code & Cosmos · 5:15

Selling Sunlight From Space

Short episode

Injecting Swarms Of One Cent Autonomous Robots
January 25, 2026 · Code & Cosmos · 4:57

Injecting Swarms Of One Cent Autonomous Robots

Short episode

Donut Lab's Impossible 273 Year Battery
January 25, 2026 · Code & Cosmos · 5:01

Donut Lab's Impossible 273 Year Battery

Short episode

Dissecting the Alien Mind of LLMs
January 25, 2026 · Code & Cosmos · 4:45

Dissecting the Alien Mind of LLMs

Short episode

DeepSeek Engram and MemRL Mimic Human Memory
January 25, 2026 · Code & Cosmos · 4:42

DeepSeek Engram and MemRL Mimic Human Memory

Short episode

AI Hallucinates Viable Alien Viruses
January 25, 2026 · Code & Cosmos · 3:50

AI Hallucinates Viable Alien Viruses

Short episode

AI Models Converge on Single Reality
January 8, 2026 · Code & Cosmos · 4:32

AI Models Converge on Single Reality

Short episode

China's Light Speed Plan Bypassing AI Bottlenecks
January 4, 2026 · Code & Cosmos · 5:29

China's Light Speed Plan Bypassing AI Bottlenecks

Short episode

DeepSeek R2 Intelligence Density Explained
January 2, 2026 · Code & Cosmos · 5:05

DeepSeek R2 Intelligence Density Explained

Short episode

Building Fast Safe Physical AI Agents
December 23, 2025 · Code & Cosmos · 5:12

Building Fast Safe Physical AI Agents

Short episode

OpenAI's Circuit Sparsity Solves Interpretability
December 13, 2025 · Code & Cosmos · 5:41

OpenAI's Circuit Sparsity Solves Interpretability

Short episode

Physical Warp Drive Requires Neutron Stars
December 3, 2025 · Code & Cosmos · 5:07

Physical Warp Drive Requires Neutron Stars

Short episode

Google's Nested Learning Solves Catastrophic Forgetting
November 23, 2025 · Code & Cosmos · 5:11

Google's Nested Learning Solves Catastrophic Forgetting

Short episode

The Tired Coder — Is Your AI Sleepy or Just Overloaded?
November 13, 2025 · Code & Cosmos · 6:11

The Tired Coder — Is Your AI Sleepy or Just Overloaded?

Short episode

Brain Imaging Breakthrough
November 3, 2025 · Code & Cosmos · 7:43

Brain Imaging Breakthrough

Short episode

Humanoid Robot Revolution
October 24, 2025 · Code & Cosmos · 5:49

Humanoid Robot Revolution

Short episode

Mind Uploads and the Fungible Self
October 14, 2025 · Code & Cosmos · 5:02

Mind Uploads and the Fungible Self

Short episode

AI Swarms: The Dawn of Multi-Agent Systems
October 4, 2025 · Code & Cosmos · 7:16

AI Swarms: The Dawn of Multi-Agent Systems

Short episode

The Great Mathematical Divide: The ABC Conjecture
September 24, 2025 · Code & Cosmos · 6:37

The Great Mathematical Divide: The ABC Conjecture

Short episode

Meta's $14 Billion AI Data Grab
September 14, 2025 · Code & Cosmos · 7:48

Meta's $14 Billion AI Data Grab

Short episode

Fusion's Hidden Wall
September 4, 2025 · Code & Cosmos · 8:52

Fusion's Hidden Wall

Short episode

Nuclear Rockets: Blast to the Future or Cold War Relic?
August 25, 2025 · Code & Cosmos · 6:34

Nuclear Rockets: Blast to the Future or Cold War Relic?

Short episode

Shanghai's Moving Marvel: Robots Relocated a Historic Neighborhood
August 15, 2025 · Code & Cosmos · 6:19

Shanghai's Moving Marvel: Robots Relocated a Historic Neighborhood

Short episode

AGI Reality Check: Hype vs. Hurdles
August 5, 2025 · Code & Cosmos · 6:58

AGI Reality Check: Hype vs. Hurdles

Short episode

Is Dark Energy Just an Illusion?
July 26, 2025 · Code & Cosmos · 6:54

Is Dark Energy Just an Illusion?

Short episode

The Quantum Quest for Gravity
July 16, 2025 · Code & Cosmos · 6:01

The Quantum Quest for Gravity

Short episode

Rewiring Life: Could Bio-hacking Ever Have Its PC Moment?
July 6, 2025 · Code & Cosmos · 6:03

Rewiring Life: Could Bio-hacking Ever Have Its PC Moment?

Short episode

The Illusion of AI Thinking: Apple's Shocking Challenge
June 26, 2025 · Code & Cosmos · 5:03

The Illusion of AI Thinking: Apple's Shocking Challenge

Short episode

AI's Uncanny Worlds: When Reality Breaks in the Metaverse
June 16, 2025 · Code & Cosmos · 5:19

AI's Uncanny Worlds: When Reality Breaks in the Metaverse

Short episode

Beyond Brute Force: Brain-Inspired AI
June 6, 2025 · Code & Cosmos · 5:13

Beyond Brute Force: Brain-Inspired AI

Short episode

Beyond Binary: China's Non-Binary AI Chip Gambit
May 27, 2025 · Code & Cosmos · 4:31

Beyond Binary: China's Non-Binary AI Chip Gambit

Short episode

Navigating the Rise of AI, Digital Minds, and the Posthuman Future
May 17, 2025 · Code & Cosmos · 6:58

Navigating the Rise of AI, Digital Minds, and the Posthuman Future

Short episode

AI Teamwork Revolution: Automated Design Crushing Human Intuition
May 7, 2025 · Code & Cosmos · 6:16

AI Teamwork Revolution: Automated Design Crushing Human Intuition

Short episode

Ancient Prophecy or Silicon Savior
April 27, 2025 · Code & Cosmos · 5:42

Ancient Prophecy or Silicon Savior

Short episode

Entangled Pixels: Quantum Holography's Leap into 3D Reality
April 17, 2025 · Code & Cosmos · 6:22

Entangled Pixels: Quantum Holography's Leap into 3D Reality

Short episode

Building Quantum Intuition
April 7, 2025 · Code & Cosmos · 6:29

Building Quantum Intuition

Short episode

Amazon's Flying Warehouse
March 28, 2025 · Code & Cosmos · 6:38

Amazon's Flying Warehouse

Short episode

Flat Space Gravity: A Radical New Path to Unifying the Universe?
March 18, 2025 · Code & Cosmos · 20:56

Flat Space Gravity: A Radical New Path to Unifying the Universe?

Long episode

Dawn of Molecular Computation: DNA-Based Supercomputing
March 8, 2025 · Code & Cosmos · 44:06

Dawn of Molecular Computation: DNA-Based Supercomputing

Long episode

Can AI Crack a Smile? Decoding the Future of Funny
February 26, 2025 · Code & Cosmos · 25:16

Can AI Crack a Smile? Decoding the Future of Funny

Long episode

Sunbird: Fusion-Powered Space Tug
February 16, 2025 · Code & Cosmos · 22:28

Sunbird: Fusion-Powered Space Tug

Long episode

Seeing the Invisible
February 6, 2025 · Code & Cosmos · 31:39

Seeing the Invisible

Long episode

How AI is Radically Reinventing Technology
January 27, 2025 · Code & Cosmos · 28:08

How AI is Radically Reinventing Technology

Long episode

10k Humanoid Robot Von Neumann Probe
January 17, 2025 · Code & Cosmos · 26:14

10k Humanoid Robot Von Neumann Probe

Long episode

Venus Cloud City
January 7, 2025 · Code & Cosmos · 37:19

Venus Cloud City

Long episode

Hacking Deep Liquid Networks
December 28, 2024 · Code & Cosmos · 24:53

Hacking Deep Liquid Networks

Long episode

Imagine 10k Humanoid Bots on Mars
December 18, 2024 · Code & Cosmos · 27:38

Imagine 10k Humanoid Bots on Mars

Long episode

Romanticizing Scientific Observation in Popular Science
December 8, 2024 · Code & Cosmos · 19:55

Romanticizing Scientific Observation in Popular Science

Long episode

Future, Fear, and Human Agency
November 28, 2024 · Code & Cosmos · 34:30

Future, Fear, and Human Agency

Long episode

Brain-Inspired Neuromorphic Architectures
November 18, 2024 · Code & Cosmos · 46:19

Brain-Inspired Neuromorphic Architectures

Long episode

Liquid Networks
November 8, 2024 · Code & Cosmos · 20:18

Liquid Networks

Long episode

Analemma: Skyscraper in Space
October 29, 2024 · Code & Cosmos · 32:29

Analemma: Skyscraper in Space

Long episode

Beyond Transformers
October 19, 2024 · Code & Cosmos · 35:09

Beyond Transformers

Long episode

Bioprinting: Virtual Exploration and Learning
October 9, 2024 · Code & Cosmos · 23:32

Bioprinting: Virtual Exploration and Learning

Long episode

Bobiverse: Critical Analysis of Drift
October 22, 2020

Bobiverse: Critical Analysis of Drift

I recently read the book series referred to as the “Bobiverse,” that tickled my nerd fancy so much that I had to write about it. While I really loved the book, that is …

What is life?
October 8, 2020

What is life?

After googling the definition of Life and I was a bit disappointed to find that the best definitions were anchored in functions we associate with life, but I couldn’t quite …

$trong AI
September 10, 2020

$trong AI

When it was announced not too long ago, GPT-3 set a new standard for the size of an AI model at a whopping 175 billion parameters, and an estimated cost of at least $4.6 million. …

End of Work = Beginning of Creativity
August 19, 2020

End of Work = Beginning of Creativity

When most people hear the end of work, they might picture the world looking glazed over and staring at the television with a bag of cheese puffs in their hand making an occasional …

GitHub Inbox Zero
August 14, 2020

GitHub Inbox Zero

I recently reached inbox zero on GitHub for the first time in a long time. A while ago I got freaked out by the possibility of people stealing my secret keys through CI and I …

the yin and yang of utility
August 8, 2020

the yin and yang of utility

I just did some dehydrating exercise in the sun, so this will be what amounts to some pontificating shower thoughts. But you already clicked on the link so you might as well read …

coming soon: peerstate
August 6, 2020

coming soon: peerstate

All of my open source projects start with trying to build something, getting frustrated, saying in my head “I wish I could just do this,” then obsessively investigating …

Open Source: Chasing the Dream
July 31, 2020

Open Source: Chasing the Dream

I love open source. I love to imagine writing code a certain way, trying to find something that does it, failing to find said thing and building it. I love publishing it and …

My AI Story (3/3)
July 26, 2020

My AI Story (3/3)

After graduating with my BS in Computer Science, AI moved to side project status as I took a job as a Full Stack Software Engineer at Pivotal Labs. The side project years of my AI …

My AI Story (2/3)
July 21, 2020

My AI Story (2/3)

Learning in school was very difficult for me because I was more of a hands on learner and school was very heavy on lecturing. When I am in situations that frustrate me, I try and …

My AI Story (1/3)
July 16, 2020

My AI Story (1/3)

If I’m going to start writing about AI, I figure I should give some backstory first on my life in AI.

My first introduction to AI was probably when I was 9 years old and …

High Altitude Mass Volley
August 7, 2019

High Altitude Mass Volley

Preamble

I have always been interested in space, but this idea for getting there cheaper has been brewing for a few years, and while I’ve yet to sit down and do the math, it has …

The Dangers of Idiomatic Programming
December 7, 2017

The Dangers of Idiomatic Programming

What does it mean to be idiomatic?

“Of, relating to, or conforming to idiom” - Merriam-Webster

So what is an idiom?

“The syntactical, grammatical, or structural …

The Job of an OS
November 6, 2017

The Job of an OS

It started with a gitter chat then a tweet, followed by a blog post.

Well, I’ve had some time to digest my thoughts, and I think it is time for, a second blog post. …

Why are operating systems still multi-user?
November 5, 2017

Why are operating systems still multi-user?

So I’m minding my own business, setting up Arch linux in my unrooted Termux installation on my phone, when all of a sudden, makepkg wants me to not be root to run a build. …

Future of Flight: Spontaneous trip to Paris
October 17, 2017

Future of Flight: Spontaneous trip to Paris

I want to go to France, I didn’t plan to go, I was just waking on the highline and was like, I think I want to go to Paris. I take out my phone, and open my air travel app …

Crystallize your abstractions carefully...
June 21, 2016

Crystallize your abstractions carefully...

For as long as I’ve been a developer I have been reminded of the rule of three for refactoring and every time I hear it, I die a little inside.

If building a new abstraction …

Imaginary Lines
April 1, 2016

Imaginary Lines

If I had to sum up the job of a software engineer in laymen’s terms, I would tell you that we draw imaginary lines around imaginary concepts until those concepts can map to …

GraphiQL Bookmarklet
December 19, 2015

GraphiQL Bookmarklet

I’m sure most of you, if you have done any work with graphql, have heard of graphiql. It is an indespensible tool for writing and testing graphql queries.

The problem is that …

jscodemigrate (deps|dependencies)
December 11, 2015

jscodemigrate (deps|dependencies)

If you haven’t yet read about jscodemigrate, read about it here. If you already know about jscodemigrate then stick around because there is a new feature, and it is ready for …

jscodeshift + rails migrations = jscodemigrate
December 5, 2015

jscodeshift + rails migrations = jscodemigrate

I’ve worked on lots of projects big and small, but as time went on they all suffered from the same problem. Changing standards and updated api’s left code fragmented as …

Graphql + Bookshelf
August 13, 2015

Graphql + Bookshelf

I recently switched over the project I was working on from MongoDB to PostgreSQL. The reason for the switch is not what I’m writing to discuss, but I’ll just say that …

React Native on Heroku
July 26, 2015

React Native on Heroku

As a web developer doing iOS development with react native, I need a staging environment for the product manager to review changes to the app.

On the web, that means using Heroku, …

Will Relay replace Flux?
July 25, 2015

Will Relay replace Flux?

Relay is out in preview! Have a look.

When people talk about Relay they think of it as the server-client link in the Facebook stack, but is that really all it is?

Flux still has …

Why I'm Excited for Facebook's Relay and GraphQL
July 8, 2015

Why I'm Excited for Facebook's Relay and GraphQL

Relay is out in preview! Have a look.

I want to tell you in as few words as possible why I am so excited to get my hands on Relay and GraphQL.

React is widely popular because it …

Searching for an Isomorphic Reactiflux Stack
June 17, 2015

Searching for an Isomorphic Reactiflux Stack

Now that Relay is out in preview, it will probably replace Flux entirely.

Why React?

A few months ago, the release of React Native by Facebook convinced me to make the leap to …