Philip Johnston

speaker

376 appearances 1 recordings 1 series first heard Aug 2026 last heard 5 Aug

Philip Johnston’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 1 in all, peaking in Aug 2026 with 1.

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Y Combinator Startup Podcast · Building the First Data Centers in Space · 5 Aug 2026 podcast

It's not like you have quite a low duty cycle.

You have to wait for it to melt and then it solidifies every so often.

But it enables us to prove that you can run the H100 in space.

The next one is this directed chip liquid cooling architecture that we can run continuously.

But yeah, I mean, I give full credit to my co-founder, Ali, for coming out with some pretty wacky and crazy ideas.

So as I say, first step was book whatever the first launch lowest MVP we can have available.

Second step is producing something which is a product we can sell to customers.

So that's StarCloud 2.

That's a 10 kilowatt spacecraft that we can sell, compute to government and military satellites.

And then the third step is the product that we're going to be able to sell to hyperscale data centers.

So that's the StarCloud 3 product.

We can, it's 200 kilowatt, three ton spacecraft, about six meters long.

With that, we can fit 50 of them per starship.

So about 10 megawatts of new compute capacity per starship.

And we've just filed with the FCC for a constellation of 88,000 of those.

So that means on the order of 20 gigawatts of new compute capacity.

Wow.

And we can fit up to 10 terawatts, uh, in the dawn dust sun synchronous orbit.

So that's like 20 times the entire US power grid.

Oh my God.

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