Reflections on hitting the wall

Reflections on hitting the wall

It has been now two years since I participated in the Hadrian’s Wall Ultramarathon (or The Wall), a race over 69 miles or 110km in distance which follows the historic roman Hadrian’s Wall along the Scottish border from Carlisle to New Castle. Although I have hardly...
A few thoughts on Aerospike nozzles

A few thoughts on Aerospike nozzles

(I wrote this post on my LinkedIn profile in 2020 — funny how time flies and what came out of this). I lately got hung up on Aerospike nozzles. The concept has been around for decades in various toroidal or linear variants. The benefit lies in its...