Thanks ITTR.
Interesting feature article on MIT's The Engine (link from Celestial's website "About" section):
CELESTIAL AI
Background
Intermolecular, POET Technologies, NVIDIA, Google, Groq, Macom Technologies, Mindspeed Technologies, Transmeta, Applied Materials
Harnessing photonics to lead the next wave of advancements in AI computation.
https://www.engine.xyz/founders/celestial_ai/