I actually found him originally from his incredible clock: https://mitxela.com/projects/precision_clock_mk_iv

Which was posted here a while back: https://news.ycombinator.com/item?id=44144750

I'm a sucker for a novel clock concept, and the level of detail he's operating at is beautiful to witness. I actually have a collection of cool clocks here: https://lynkmi.com/oisin/Clocks