Computronium is the ultimate computer, often referred to as "programmable matter". On the Tech Page.
The Grunkle-fly delivery drone
The Grunkle-fly was built for making small deliveries. On the tech page.
Retribution-class battleoid
The Retribution class battleoid was used extensively by the military of the Holy Empire of Man. Tech page
E1MS Artillery-pod
The Empire of 1,000,000 Suns made extensive use of the Artillery Pod as a means of projecting long-range firepower. On the Tech Page.