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How Nuclear Will Unlock Energy Abundance with Valar Atomics Founder Isaiah Taylor

No Priors · 2026-07-02

Speaker 1 | 00:00 - 00:05
Welcome to War two fifty, first advanced reactor to ever make power by startup.

Speaker 2 | 00:06 - 00:15
We did something pretty awesome today. The first ever AI chip powered by a nuclear reactor. First Triso reactor to turn on in over fifty years in The United States.

Speaker 3 | 00:15 - 00:26
How much of the premise of Valor is possible now comes from increasing demands for power in The United States largely driven by AI compute?

Speaker 2 | 00:26 - 00:46
Energy being a commodity, the demand is set by the price. If you can figure out how to make energy cheaper, …

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🐦 X/Twitter 热点

Swyx (@swyx)

  • everyone come down to the AIE Expo at 12.30, there’s a SPECIAL FLASH SURPRISE (you’ll know it when u see it) and then come to Expo Stage 2 for a very special @latentspacepod live pod with Etched! [25 ❤️ 4 🔄]
  • very proud that the biggest applause line in the AIE keynotes this year was normalizing men talking about their feelings and mental health in hypergrowth

thanks @mikeyk for indulging all my cheeky questions on Fable and Tag!! [140 ❤️ 4 🔄]

  • @r00k @artofproductpod @hillelogram [8 ❤️]

Boris Cherny (@bcherny)

  • Artifacts in Claude Code have been life changing. Excited to expand to Pro and Max! [1776 ❤️ 78 🔄]

Thibault Sottiaux (@thsottiaux)

  • Can’t wait to see what people will do with GPT-5.6 Sol Ultra. Stash your hardest prompts somewhere. [9610 ❤️ 388 🔄]

Peter Yang (@petergyang)

  • How I’m getting the most out of Fable before July 7:
  1. Prep context with cheaper models
  2. Plan with Fable, execute with another model
  3. Use lower effort, like Medium, and babysit what Fable is doing

📌 Watch my full tutorial for 5 Fable-worthy use cases to try: [51 ❤️ 4 🔄]

  • @NousResearch @karan4d Alright the top requests are:
  1. Hermes origins & early story
  2. Agent memory & persistence
  3. Novel real-world use cases
  4. Team ops & delegation
  5. Long-term vision & differentiation

Subscribe to get the episode in the coming weeks: [19 ❤️]

  • Thought I’d share a fun activity I did with my 8-year-old daughter and Codex today:

  1. She drew a picture of a dragon.

  2. We uploaded her drawing to Codex and used image gen to make a few more dragon poses. She used voice to give Codex feedback until we got the result below.

  3. We sent it to customstickers(dot)com to print sticker sheets (it’s about $20 for 10 sheets).

Now she can share her stickers with her friends when they arrive in the mail next week. Try it if you have kids stuck at home this summer :) [38 ❤️ 2 🔄]

Nan Yu (@thenanyu)

  • If only there were a system of some kind that coordinates work between multiple entities [26 ❤️]
  • No excuses @patrickc [27 ❤️]

Cat Wu (@_catwu)

  • Get started here:

We are granting $25k in credits for Claude Enterprise orgs and $2.5k in credits for Claude Team orgs to use Claude Tag through September 1st [26 ❤️]

  • Claude Tag is unlocking productivity across our entire org: eng, product, data, sales, marketing. Our internal version lands 65% of product PRs.

We cover the CEO/CTO playbook for rolling it out, why security was designed in from day one, and what this means for the future of work. [483 ❤️ 27 🔄]

Thariq (@trq212)

  • See the post here: [460 ❤️ 21 🔄]
  • I’ve heard a lot of questions about Fable’s availability on subscription plans.

While it will come off subscriptions after July 7th, we aim to restore Fable as a standard part of our subscriptions as soon as capacity allows, as we mentioned in our original blog post. [6942 ❤️ 656 🔄]

Guillermo Rauch (@rauchg)

  • We’ve been explaining AI Gateway as a C̶o̶n̶t̶e̶n̶t̶ Token Delivery Network. Like a CDN for AI models.

One great feature of CDNs is the ability to dynamically re-route or deny traffic without redeployment.

When Fable was suddenly retired, we worried about production workloads depending on it. Even Fable aside, models get retired quite often as GPU capacity is heavily contested. Yet our data shows people still having happy production traffic of older model versions!

We’re solving this now with AI Gateway Rules. e.g.: you can now rewrite model “routes” on the fly!

𝚟𝚎𝚛𝚌𝚎𝚕 𝚊𝚒-𝚐𝚊𝚝𝚎𝚠𝚊𝚢 𝚛𝚞𝚕𝚎𝚜 𝚊𝚍𝚍
–𝚝𝚢𝚙𝚎 𝚛𝚎𝚠𝚛𝚒𝚝𝚎
–𝚜𝚘𝚞𝚛𝚌𝚎 𝚊𝚗𝚝𝚑𝚛𝚘𝚙𝚒𝚌/𝚌𝚕𝚊𝚞𝚍𝚎-𝚏𝚊𝚋𝚕𝚎-𝟻
–𝚍𝚎𝚜𝚝𝚒𝚗𝚊𝚝𝚒𝚘𝚗 𝚊𝚗𝚝𝚑𝚛𝚘𝚙𝚒𝚌/𝚌𝚕𝚊𝚞𝚍𝚎-𝚘𝚙𝚞𝚜-𝟻

This adds to the repertoire of capabilities and techniques AI Gateway brings to the table to recover lost tokens. If you drop tokens, you lose revenue and customers 💸

Kudos to @rtaneja_ @crowprose @shaper – we went from CLI design to production-grade capability very quickly! [234 ❤️ 14 🔄]

  • Private connectivity between services is 🔑 for backends.

1️⃣ Register 𝚋𝚒𝚗𝚍𝚒𝚗𝚐𝚜 in 𝚟𝚎𝚛𝚌𝚎𝚕.𝚓𝚜𝚘𝚗 (1LOC)
2️⃣ Read it:

𝚗𝚎𝚠 𝚄𝚁𝙻(“/𝚊𝚙𝚒”, 𝚙𝚛𝚘𝚌𝚎𝚜𝚜.𝚎𝚗𝚟.𝙱𝙰𝙲𝙺𝙴𝙽𝙳_𝙸𝙽𝚃𝙴𝚁𝙽𝙰𝙻_𝚄𝚁𝙻)

Works for Node, Python, 𝙳𝚘𝚌𝚔𝚎𝚛𝚏𝚒𝚕𝚎… you name it [279 ❤️ 6 🔄]

  • Everyone in NYC has the same dog. It’s a french bulldog. This needs to be studied [340 ❤️ 1 🔄]

Aaron Levie (@levie)

  • The deployment of AI in the enterprise beyond just interacting with a chatbot will unequivocally take real work to align AI systems to the underlying business processes they’re involved in and drive the desired outcomes.

Most workflows weren’t designed for AI agents to just drop into. Workflows today in the enterprise deal with fragmented data, legacy software systems that agents can’t connect with, institutional instead of documented knowledge, and more.

To deploy agents reliably at scale you need to get data cleaned up, modernize IT systems, figure out evals, drive change management for the new end state process, and so on. This also involves designing where humans remain in the loop (which will mean entirely new ways people interact with the workflows), and figuring out what a company’s new IP looks like.

This is why so many applied AI companies are expanding FDE efforts and launching deploycos, and why the FDE role will be one of the most critical jobs in tech going forward. There’s a tremendous amount of work to be done on this front. [151 ❤️ 13 🔄]

Garry Tan (@garrytan)

  • “What happened to state Sen. Scott Wiener at the Trans March celebration last week was neither inclusion, righteousness nor speaking truth to power. It was not a protest; it was a mob. And Democrats — all of us — need to say so, loudly and without equivocation.” [51 ❤️ 6 🔄]
  • [829 ❤️ 54 🔄]
  • It’s time to build [336 ❤️ 15 🔄]

Matt Turck (@mattturck)

  • This fascinating conversation with @ctnzr of @NVIDIAAI is also available on Spotify, Apple Podcasts and here on YouTube: [9 ❤️]
  • Inside Nemotron and NVIDIA’s AI lab: my conversation with Bryan Catanzaro (@ctnzr).

@nvidia is a chip company. So why does it put hundreds of researchers on building AI models - and then give them away for free? We go deep into the Nemotron models, what it takes to build a top AI lab, and the future of frontier AI.

01:33 - Is open source AI catching the frontier?

05:29 - Do closed labs blocking distillation slow open source down?

07:42 - Is the US falling behind China?

10:30 - Why companies actually choose open models

12:39 - A “crazy” 2008 bet: machine learning on GPUs

15:33 - Working with Andrew Ng and Dario Amodei at Baidu

17:41 - Coming back to NVIDIA: DLSS and the birth of Megatron

21:55 - The real reason NVIDIA builds its own models

24:28 - Is Moore’s Law really dead?

33:37 - The Nemotron family: Nano, Super, Ultra

35:09 - Built for agents: why NVIDIA bets on speed

36:02 - How you train a 550B model in 4 bits

39:25 - Hybrid Mamba-Transformer, explained simply

42:31 - Mixture of experts, and why NVIDIA built NVL72 around it

47:26 - Why a 1-million-token context window matters

49:26 - Multi-token prediction: how the model predicts 5 tokens at once

52:47 - Multi-teacher distillation: teaching one model from many

58:01 - Where reinforcement learning goes next

01:00:16 - Inside NVIDIA’s research org: “the mission is the boss”

01:04:03 - How NVIDIA decides who gets the GPUs

01:10:53 - Why NVIDIA still feels entrepreneurial after 33 years

01:12:58 - Why Bryan doesn’t believe in the singularity

01:17:50 - The AI backlash

01:19:18 - The controversial case: open AI is safer than closed [147 ❤️ 28 🔄]

Zara Zhang (@zarazhangrui)

  • The root of AI slop isn’t bad style. It’s no substance. [1 ❤️]
  • A recent college grad told me that when they were in school, they would feed the lecture decks to an AI and ask it to teach the material (instead of attending the actual lecture)

They often found that the AI taught better than the professors [254 ❤️ 8 🔄]

  • One of the best things you can do for your agents: talk in groups, not DMs [27 ❤️ 1 🔄]

Nikunj Kothari (@nikunj)

  • It’s AGI summer and I’m seeing plenty of “tourists” who are visiting SF - just like last year..

And, then they go back and say SF has no soul, it’s just 996 culture and it’s just AI. Also it’s dirty and smells - and did you notice the homeless?

While there is some truth to ALL the claims, you really shouldn’t judge this city on a few days (or honestly even weeks).

Don’t be a tourist, and spend time here. Booms and busts will happen. But, it really can be wonderful. And if it’s not for you, then it’s not for you. Go make the place you’re going back to all that you want it to be.

(Signed by someone who’s been here 14 years) [42 ❤️ 3 🔄]

  • Nothing is more fulfilling than connecting people with opportunity.

Even when you have absolutely nothing to gain from it.

It’s an abundant world where everything doesn’t need to be zero sum. Don’t let the gatekeepers tell you otherwise. [209 ❤️ 20 🔄]

Peter Steinberger (@steipete)

  • This is getting better and better.

By now I have daily calls with the ATT rep who tries it’s hardest to get my 3$ Apple Watch plan addition approved.

Fun fact he knows OpenClaw and uses it every day.

🙃🦞 [287 ❤️ 3 🔄]

Dan Shipper (@danshipper)

  • this is great

i feel this a LOT right now with fable, where it can go off for hours at a time and then comes back with a 2 paragraph explanation of what it did

we need better ways for AI to tell us stories [133 ❤️ 4 🔄]

Aditya Agarwal (@adityaag)

  • I took my son to the USMNT game yesterday against Bosnia.

After the game I asked him his favorite part and he said: “the giant flag and the national anthem”

This country has given us everything.

Cannot be more grateful. [997 ❤️ 27 🔄]

  • This is true [9 ❤️]

Sam Altman (@sama)

  • going to world cup games is always awesome, but watching the USA win in the USA during USA birthday week was just incredible [11126 ❤️ 284 🔄]

Claude (@claudeai)

  • A conversation with Boris Cherny and Cat Wu on the path from Claude Code to Claude Tag, and how it spread from engineering to the rest of Anthropic.

Claude Fable 5 is now available in Claude Tag. [2620 ❤️ 184 🔄]

  • The hackathon will run July 7-13. Apply by Sunday: [402 ❤️ 25 🔄]
  • Announcing Built with Claude: Life Sciences, a global virtual hackathon.

Join us and @GladstoneInst for a week of researching and building with Claude Science and Claude Code, with a prize pool of $100k in credits. [4558 ❤️ 445 🔄]

由 Follow Builders 自动生成 · 2026-07-03