Also, as the article mentions there are a few errors. With a bit of deduction this is my best attempt at reconstructing the first one:

https://lichess.org/HzzfuyWv

In keeping with the theme of exciting new technology, I tried giving the problem to Opus 4.5 but it seems to hallucinate badly: https://claude.ai/share/299fb10e-8465-41b3-bad5-85500291ed67

My father went to a boarding school. In defiance of his housemaster’s nightly curfew, he and his friend would play cross-dormitory chess using the heating pipes as a medium for Morse code tapped out on the radiators.

It was just the two of them playing through a wall. It would be a fun exercise to implement a fully manual pipe tapping protocol that implements addressing, collision avoidance, retransmission, and distributed consensus. So much fun in fact — and I think this site is definitely a safe space to admit one’s sense of “fun” being quite niche — that it surely must have been done already. TCP/IP/Ethernet: The board game (?)

Aliens from quantum world. Quite unearthly and unhuman.