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

The startup Subquadratic claims to have solved a major computational bottleneck in large language models, potentially making them faster and more energy-efficient. Meanwhile, brain-computer interface (BCI) trials are expanding globally, with China approving the first medical-use BCI device.
Why it matters
These developments represent significant leaps in both AI efficiency and medical technology, signaling a shift toward more practical, real-world applications.
Plus: Amazon workers who backed data center limits face potential termination.
The report provides a factual overview of technological developments without taking a stance on the companies involved.
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