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

Via MIT Tech Review AI
Friday, Jun 19, 2026 · 12:10PM
Summary

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. A startup claims it broke through a bottleneck that’s holding back LLMs AI startup Subquadratic came out of stealth last month with a huge claim: it had solved a

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