regarding SpaceX, I find the evolution of Raptor engine astonishing. SpaceX threw away a perfectly successful engine family in Merlin and started again with a full-flow staged combustion design that … (View Post)

The irony is that the strongest parts of SpaceX are the boring bits: rockets that launch on time and internet subscriptions that get paid every month. The weakest part of the valuation is the bit inv… (View Post)

It’s always amusing how North Sea oil is simultaneously: 1. A hugely valuable national asset when arguing for independence. 2. A virtually exhausted irrelevance when someone suggests producing more o… (View Post)

Bingo (View Post)

I still hope he loses the by-election (View Post)