> https://ciechanow.ski/mechanical-watch/

From when it was released, May 2022:

* https://news.ycombinator.com/item?id=31261533

GPS, from January 2022:

* https://ciechanow.ski/gps/

* https://news.ycombinator.com/item?id=29981188

Internal Combustion Engine, 2021:

* https://ciechanow.ski/internal-combustion-engine/

* https://news.ycombinator.com/item?id=26991300

Cameras and Lenses:

* https://ciechanow.ski/cameras-and-lenses/

* https://news.ycombinator.com/item?id=25357315

Bicycle:

* https://ciechanow.ski/bicycle/

* https://news.ycombinator.com/item?id=35343495

Regular (re-)submissions:

* https://news.ycombinator.com/from?site=ciechanow.ski