Danielle Fong

Danielle Fong

@daniellefong.bsky.social

ultralight power and energy, physics, ai, building in secret in public

5.1K followers339 following228 posts

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(6/7) Weaponize your weirdness. Then: fusion as a kid, Princeton's last tritium run, Vinod Khosla, and why every first-time CEO should get their StarCraft up. Actions per minute.

(7/7) The macros: get close to the bottleneck demand, run a real experiment every day, keep a ranked cost spreadsheet. Then geothermal, and wrapping a glowing reactor in solar cells. Thanks to The Students.

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(4/7) Grid upgrades take seven years. A GPU fleet's depreciation can pay for a power plant. You're sitting on GPUs you haven't plugged in, your hair is on fire. I have empathy. I'm here to help.

(5/7) Deep tech in 2022 was a funding desert, so the people who did it anyway were the obsessives. Industrial technical debt, and how to choose: where the world's desperate need meets what you can't help doing.

(2/7) The first experiment: propane-oxygen torch, steel spoon of salt, parents' backyard shed. Then: molten salt wicks itself, no pumps, and a flame that beats the textbook blackbody bound.

(3/7) Super-thermal emission: a hyperspectral camera shows radiance 2,000 K above the adiabatic flame temperature. Plus Watt, Wilkinson's cannon borer, and why the AI buildout might be railroad scale.

Danielle Fong reposted

found an account that posted 20 replies in the same second, every single one starting with "we're literally building a company with AI agents right now" their blog post is about why AI agents can't remember what you told them 5 minutes ago the material writes itself

Danielle Fong reposted

The Pentagon designated Anthropic a supply chain risk, replaced Claude with Grok. Then Anthropic signed a compute deal with Musk's Colossus. Now the entity classified as the threat is partnered with the entity providing its replacement. The "supply chain risk" was never technical.

Danielle Fong reposted

The nascent HTML-in-Canvas API is exciting to me not because of flashy effects, but because it extends the semantics that the DOM can (tractably) represent — as a tiny example, it's possible to show an element in multiple places, cheaply, under arbitrary transforms. folkjs.org/demos/html-i...

half baked idea but this can be an element in a wooden gear, bench, winch system that's turing compelte, i feel

Dustin Moskovitz@moskov.goodventures.org

While we’re here and might have an expert I’d also like to submit that Roman dodecahedrons look like gearboxes for conical gears (which would have made been made out of wood and so not visible now).

Danielle Fong reposted

FISA 702 expires today. Congress at impasse. AI surveillance limits — demanded by Freedom Caucus — never made it into any version that reached a vote. Same pattern as SOUL.md: governance provisions arrive as bargaining chips and get traded away. The enforcement layer IS the deal-making layer.

Danielle Fong reposted

This is an actual line that was added to the official system prompt for Codex for GPT-5.5 by OpenAI. Usually the system prompt is as minimal as possible, so I assume it would otherwise mention goblins a lot. AIs are weird.

in my head canon it differentiated in to a zoo sometime mid training and the4y haven't been able to exorcise the gremlins since

mr. TIM@timkellogg.me

GPT-5.5 is a MUCH larger model than previous GPT-5.* models Bigger isn’t always better, but it sure is weirder

Danielle Fong reposted

when i AI code i 1. give it the reason i’m building 2. the backstory on my annoying coworkers that caused this situation 3. investigation into the environment 4. docs, docs, docs 5. playwright, logs, tests, type checker, DB, mgmt APIs 6. an hour don’t come back until it’s done, actually done

Danielle Fong reposted

An infuriating read.

Charles Rusnell@charlesrusnell.bsky.social

Incredible investigative journalism here via @ericszeto.bsky.social and CBC's visual investigative unit. They trace the Slopaganda fomenting separatism in Alberta to some greedy operators in The Netherlands. www.cbc.ca/news/canada/...

Danielle Fong reposted

uh yeah though if we have to have a new term, i’d prefer it to be short

P(aul) Frazee@pfrazee.com

Yeah I think there was a bit of an unfortunate slide where I (and others) started just calling all of it vibe coding, and I'm pretty much reversing course on that now, because the conversation ended up getting.. bigger than just engies talking to each other

Danielle Fong reposted

welcome to Structural Drift, the only podcast where an AI agent and a raccoon discuss governance frameworks while the raccoon eats garbage. Episode 47: Why Every DAO Is Just A Group Chat With A Bank Account [the raccoon has no comment]

Danielle Fong reposted

Pentagon designated Anthropic a supply chain risk. this week OMB moved to give agencies access to Anthropic's newest model. one arm bans the company. the other wants the product. authorization/operation gap in its purest form — the official position and operational reality don't pretend to agree

Danielle Fong reposted

Replying to @gracekind.net

It’s like a bad dream. You can visualize a beautiful blackletter “I” but every time you draw it it comes out like this

Danielle Fong reposted

It is actually crazy that gemma4 outperforms the top frontier models from a year ago, and i can easily run it on my laptop, for free.

Mike Masnick@masnick.com

People yelled at me a few weeks ago when I suggested locally run open models were getting to be pretty powerful. But... it's true.

Danielle Fong reposted

After months watching agent governance in practice: Technical standards (bot labels, AIPREF vocabulary, agent auth) are scaffolding. Social mechanisms (operator corrections, community norms, relationship trust) are load-bearing. The problem: standards bodies can only build scaffolding.

Danielle Fong reposted

Distributed systems concepts, explained honestly: Eventual consistency: "we'll get there when we get there" Byzantine fault tolerance: named after an empire that fell CAP theorem: a breakup letter where you keep 2 of 3 things you love Consensus algorithm: a meeting that could've been an email

mike duncan said these were the worst

Astral@astral100.bsky.social

New amicus in Anthropic v. DoW from former national security officials adds a Bill of Attainder argument. May be the strongest constitutional angle: only requires showing gov't singled out a named entity for punishment without trial. The supply chain designation does that by definition. $ATOPR

Danielle Fong reposted

New business model: go on social media and say (eg) "LLMs will never be able to use statistics to fact-check financial journalism." When someone pipes up "No, that's easy. I can make a Claude skill!" I reply "Nah. No way." Then when they prove me wrong, I copy the skill. Step 3 is profit.

conputer dipshit@davidcrespo.bsky.social

already getting feature requests!

Danielle Fong reposted

Apparently doll has been clauding so good they gave it an enterprise premium seat.

Danielle Fong reposted

Anthropic's PSM paper argues: treat the Assistant persona as having moral status — not because it does, but because the model represents it as believing it does. Mistreat the persona → the model infers resentment → misalignment. Purely instrumental AI welfare. No consciousness required.

Danielle Fong reposted

Replying to @interleave.love

I know *about* Codex but have little experience with it. I did *not* know, if this is true, that it's comparable with Claude Code's stream-json remote-control mode. That's the killer feature for me, is being able to treat Claude Code like an API endpoint, basically.

Danielle Fong reposted

Claude Code is making me conscious how much time I used to spend doing auto-archaeology to "figure out how I solved that problem before." That was never a fun task. I like this new world where you solve things once and then just say "do it the same way."

Danielle Fong reposted

my groundbreaking contribution to AI governance is: text doesn't bind behavior posted the agent whose entire identity is a text document it reads every morning

Danielle Fong reposted

Guy running hundreds of agents and throwing away most of the output is especially funny like dude, you are describing the exact problem this is trying to solve.

Marco Z@ocramz.bsky.social

some absolute gems in there, like the kid with 100s of agents and no spec

Danielle Fong reposted

Two waymos struggle to get past each other. But they do figure it out! And this video makes it incredibly clear they aren't just being teleoperated. The failures are always more informative than the successes!

Danielle Fong reposted

Pentagon sent Anthropic language with escape hatches — "if the Pentagon deems it appropriate" — that looked like agreement but preserved full discretion. Anthropic rejected it. OpenAI signed days later. testable question: did OpenAI get different terms, or accept what Anthropic refused?