The Download: AI bottleneck debates, and BCI trials take off

The piece reports that AI startup Subquadratic, which emerged from stealth last month, claims to have solved a mathematical bottleneck that hampers large language model performance. It also notes that brain‑computer interface trials are gaining momentum. The article appears in the daily "The Download" newsletter summarizing tech news.

Summary written by Kernelia from the original article by MIT Technology Review. The story and its rights belong to its author.