Just when you thought the circular deals couldn’t get any more circular, OpenAI has invested in CEO Sam Altman’s brain computer interface (BCI) startup Merge Labs . Merge Labs, which defines itself as a “research lab” dedicated to “bridging biological and artificial intelligence to maximize human ability,” came out of stealth on Thursday with an undisclosed seed round. A source familiar with the matter confirmed previous reports that OpenAI wrote the largest single check in Merge Labs’ $250