A younger James Lee, which we know to be 6 years younger than today, posted about sub-atomic swaps on the NXT forum.  Here is a post about the 2020 version of subatomic swaps using Komodo Smart Chains.

https://ikomodo.com/p2p-micropayment-channels-private-direct/

The link to the 2014 post is the first link in the article. Enjoy the flavour of nostalgia!