# Amazon-backed X-energy files to raise up to $800M in IPO; plus, a simulation startup wants to be the Cursor for physical AI Page: https://stenobird.com/podcast/techcrunch-startup-news/amazon-backed-x-energy-files-to-raise-up-to-800m-in-ipo-plus-a-simulation-startup-wants-to-be-the-cursor-for-physical-ai Text version: https://stenobird.com/podcast/techcrunch-startup-news/amazon-backed-x-energy-files-to-raise-up-to-800m-in-ipo-plus-a-simulation-startup-wants-to-be-the-cursor-for-physical-ai.md Podcast: [TechCrunch Startup News](https://stenobird.com/podcast/techcrunch-startup-news) Published: 2026-04-17T09:00:00+00:00 Episode link: https://mgln.ai/e/211/traffic.megaphone.fm/AIRWV7648348782.mp3 Audio file: https://mgln.ai/e/211/traffic.megaphone.fm/AIRWV7648348782.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/techcrunch-startup-news/episodes/amazon-backed-x-energy-files-to-raise-up-to-800m-in-ipo-plus-a-simulation-startup-wants-to-be-the-cursor-for-physical-ai Duration seconds: 520 ## Resource Nuclear startup X-energy hit the road today to sell prospective investors on its initial public offering. Also, Antioch raised a $8.5 million seed round to create simulation tools for a new generation of robot builders. Learn more about your ad choices. Visit podcastchoices.com/adchoices ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/techcrunch-startup-news/episodes/amazon-backed-x-energy-files-to-raise-up-to-800m-in-ipo-plus-a-simulation-startup-wants-to-be-the-cursor-for-physical-ai/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/techcrunch-startup-news/amazon-backed-x-energy-files-to-raise-up-to-800m-in-ipo-plus-a-simulation-startup-wants-to-be-the-cursor-for-physical-ai.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.