My submission (https://news.ycombinator.com/item?id=6204638) had the title "Valve interested in getting Blender on Steam" which used a powerful technique of "more words, less terseness" to attempt to maximize clarity. :)
I should perhaps have added "3D" somewhere to make it more clear, but at least there are words to make it sound software-related.
Basically he's just using the mini-pulse jet's waste heat to boil the water.
(Pulse jets are sort of primitive jet engines, though they operate on a different principles. Most famous for being used by the Germans with their V-1 "Flying Bomb".)
Yes! And if you could somehow re-route the steam from the steam-powered coffee grinder to an adjoining moka pot... automatic steam-powered coffee-grinder-brewer?