# Pacific Fusion’s latest prototype packs 440 gigawatts into an 80-nanosecond burst; plus, Rocket engine startup Impulse raises $500 million to hire people, not AI

An episode of [TechCrunch Startup News](https://invisiblenetwork.ai/podcast/1145974783), 3 Jun 2026, 8:34.

Audio: https://mgln.ai/e/211/traffic.megaphone.fm/AIRWV2594229204.mp3

Pacific Fusion's sub-scale prototype delivered enormous amounts of power in a flash, setting the company up for its demonstration power plant. Also, engineering physical systems still depends on human talent, according to Impulse Space president Eric Romo. Learn more about your ad choices. Visit podcastchoices.com/adchoices

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