The three soft capture pedals of the International Docking Adapter are visible on the Dragon CM-2 as it passes through the shadow of ISS.
3D mazes are a *challenge*. Try a pre-pre-pre-release version with the WASD + Arrow keys: https://osresearch.github.io/prim3/
Computer buying guide, 1962 #retrocomputing edition. https://archive.org/details/bitsavers_computersA_17444643/page/n123/mode/2up
TIL that Asimov "withdrew" his 1955 story about a massive computer named Multivac since it was too similar to a book he had in his library. https://archive.org/details/112874/page/n5/mode/2up
"The simplest computer for which the schematics are available is the Univac FLODAC, which is actually a fluid-logic demonstrator." #retrocomputing
"The main reason for the existence of the ACS is to enable amateur computer builders to help each other, saving time and money by trading ideas."