[WalterBright]

> cooling

I've seen many confident assertions about that issue. Do you think Musk doesn't know about it? People thought you couldn't reuse rockets, either. Or land them on their tails. Or pluck them out of the air with chopsticks.

[shigawire]

I'm a different guy... But I think he doesn't care and doesn't need to care. His main product is personal branding and hype -- caring about how it works is hardly relevant.

[anonymars]

Or launch atop an unprotected flat slab of concrete