Title text:
It does come at the cost of some launchpad expansions and increased fuel requirements, but that all comes out of the facility's budget.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3291/
I was sad to see Reaction Engines go, they were local-ish to where I grew up.
Its roots were even older too I think.