Though the computing we performed was sub-trivial (adding one and one was a major undertaking!), the physical performance of that computing imbued me with *Fingerspitzengefühl* ("fingertip feeling"):...
There's something very reassuring about this imagery. No matter how many levels of abstraction sit between me and the nanoscale transistors ranked in their billions beneath my fingertips, they are all undertaking those familiar operations I painstakingly performed on my child's desk all those years ago.
8/
8/
1