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Dev Tools · docs.firecrawl.dev

Research Index | Firecrawl

Use Firecrawl's research index for paper retrieval, semantic expansion, paper reading, and GitHub search.

Cool Company Raises · $310.0M

Odyssey AI raises a $310.0M Series B round

Odyssey AI is an AI lab headquartered in Palo Alto that builds general-purpose world models. These models predict outcomes in physical space, unlike large language models that focus on text prediction. Odyssey's technology creates interactive video streams that respond to user inputs in real time, simulating real-world scenarios. Key applications include robotics training, gaming, autonomous vehicles, scientific research, and national security.

Cool Company Raises · $863.0M

Common Fusion Systems raises a $863.0M Series B round

Commonwealth Fusion Systems (CFS) is advancing the global transition to clean energy by making commercial fusion power a reality, leveraging breakthroughs like the world’s strongest high-temperature superconducting magnet. Backed by over $2 billion in funding and a world-class team, CFS is designing and building fusion power plants while partnering with policymakers and suppliers to deliver scalable, reliable energy worldwide.

Cool Company Raises · $900.0M

Pacific Fusion raises a $900.0M Series A round

Pacific Fusion Corp. is a power company focused on developing a nuclear fusion-based energy source. The company has recently attracted significant funding, placing it among the leaders in a rapidly expanding industry. Their goal is to create a new form of energy that could revolutionize power generation, although no fusion power plants currently exist. They are part of a growing group globally working to commercialize fusion technology.

Cool Company Raises · $54.0M

Verse raises a $54.0M Series B round

Verse is an enterprise SaaS company that helps organizations reduce the cost and emissions of their power. Our software and services help corporate energy buyers evaluate specific clean power goals (e.g., cost, emissions, risk), and develop procurement roadmaps to achieve annual matching, carbon matching, and/or hourly matching. Companies can also improve risk management and optimize operational load and generation portfolios. With unparalleled data, real-time analysis within minutes, and optimization for least cost, Verse helps organizations turn their energy challenges into successes.

Cool Company Raises · $19.5M

Rejuvenate Bio Inc raises a $19.5M round

Rejuvenate Bio announced it raised $19.5 Million in an initial filing from an offering of $27 Million

Cool Company Raises · $8.5M

NewDays raises a $8.5M round

NewDays delivers personalized cognitive treatment that combines expert-led therapy with AI-powered daily practice for people experiencing mild cognitive impairment (MCI) or early dementia. Our science-backed, non-drug approach is designed to maintain cognitive function, build confidence, and help people live the way they want to live. Founded in 2024 by leaders from Amazon and Google X, NewDays makes clinically-validated cognitive interventions accessible through breakthrough AI technology and expert clinical oversight.

Cool Company Raises · $25.0M

Invisible Narratives raises a $25.0M round

Invisible Narratives is a leading entertainment company dedicated to helping digital creators build global franchises. Founded by industry veterans, it focuses on transforming creator content into sustainable entertainment businesses. The company has recently secured significant capital partnerships to accelerate its growth.

Cool Company Raises · $25.0M

Traysar raises a $25.0M Seed round

Traysar is the world's first subterra defense tech company. Through breakthroughs in military boring and subterranean autonomous systems, Traysar transforms the Earth's crust into a three-dimensional maneuver space. They enable a new class of strike capabilities against previously unreachable targets and rapid underground protection of critical infrastructure for the United States and its allies.

Cool Company Raises · $22.0M

Critical Energy raises a $22.0M Seed round

Critical Energy, founded by ex-SpaceX engineer Spencer Jackson, specializes in the design and mass production of modular geothermal turbines. These turbines are built in factories and utilize a closed-loop fluid system to convert heat into electricity. The company aims to reduce the deployment time of geothermal systems from years to weeks, addressing the reliability issues of clean energy sources. By focusing on surface equipment and turbines, Critical Energy seeks to support the wider geothermal industry rather than compete with underground drillers.

Cool Company Raises · $11.5M

Nox Metals raises a $11.5M Seed round

Nox Metals is a seven-month-old startup based in Southwest Detroit that specializes in custom aluminum blocks for CNC machining. The company uses AI automation to significantly reduce lead times from days to seconds. Nox Metals aims to revitalize a World War II-era factory to further its mission and enhance production capabilities.

Cool Company Raises · $5.0M

Mantle Energy raises a $5.0M Seed round

Mantle Energy is a Dallas, Texas-based developer of an activated geothermal and enhanced energy recovery platform. The company develops technology that repurposes depleted or low-yield oil and gas wells to generate controlled underground thermal combustion, capturing heat to deliver low-carbon baseload power directly to the electric grid. It was spun out from Hunt Energy's incubator and focuses on dual-benefit extraction and carbon emission storage protocols.

Interesting · paulgraham.com

How to Earn a Billion Dollars

Dev Tools · honen.com

Honen - Create Courses with AI

Honen takes your team's docs, call recordings, and kickoff videos, or just a topic, and turns it into a real course your people will actually finish.

Cool Company Raises · YC S26

Touchmark launches at YC (Summer 2026)

Solving AI pricing

Cool Company Raises · YC S26

Atomarine launches at YC (Summer 2026)

Off shore nuclear powered data centers at sea.

Cool Company Raises · $5.5M

Chptr raises a $5.5M Series A round

Chptr empowers people to create lasting legacies for the ones they love & for their stories to inspire generations to come.

Cool Company Raises · YC S26

Glen launches at YC (Summer 2026)

Unified organizational context for agents and humans

Interesting · wheresyoured.at

AI Is Slowing Down

If you liked this piece, you should subscribe to my premium newsletter. It’s $70 a year, or $7 a month, and in return you get a weekly newsletter that’s usually anywhere from 5,000 to 18,000 words, including vast, detailed analyses of NVIDIA, Anthropic and OpenAI’s finances, and the AI bubble writ large (updated to version 3.0 last week). My Hater's Guides To the SaaSpocalypse, Private Credit and Private Equity are essential to understanding our current financial system, and my guide to how Open

Interesting · anthropic.com

When AI builds itself

Our progress toward recursive self-improvement, and its implications.

Interesting · quobly.io

Quobly

Industrial silicon based quantum computers. Scalable, high-performance, affordable quantum computers built for existing infrastuctures.

Interesting · human-in-the-loop.bearblog.dev

LLMs are eroding my software engineering career and I don't know what to do

I'm a software engineer, completing 10 years of professional experience this year. I started my career as a web frontend engineer (it was easier for me to de...

Dev Tools · bluedoor.sh

Job Postings API | bluedoor

View, monitor, and analyze millions of US job postings across companies, locations, roles, and applicant tracking systems.

Cool Company Raises · YC S26

Prescience, Inc. launches at YC (Summer 2026)

Healthcare for the age of abundant intelligence.