I basically just write about whatever I'm interested in.

Here's a sequence I did on rocket engines and what is fundamentally different between chemical propulsion, electric propulsion, nuclear propulsion, etc.

http://hopefullyintersting.blogspot.com/2015/03/rockets-some...

Here's something I wrote on how language can influence and distort our perception of danger. It got picked up by Atomic Rockets.

http://hopefullyintersting.blogspot.com/2019/06/sometimes-yo...