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Wednesday, July 3, 2024

The Obtain: Thoughts-controlled prosthetics, and the worth of AI coaching knowledge


What’s new: When somebody loses a part of a leg, a prosthetic could make it simpler to get round. However most prosthetics are static, cumbersome, and arduous to maneuver. A brand new neural interface connects a bionic limb to nerve endings within the thigh, permitting the limb to be managed by the mind.

How they did it: First, sufferers endure surgical procedure to attach shin muscle, which contracts to make the ankle flex upward, to calf muscle, which counteracts this motion. The prosthetic may also be fitted at this level. In step two, floor electrodes measure nerve exercise from the mind to the calf and shin muscular tissues, indicating an intention to maneuver the decrease leg. A small pc within the bionic leg decodes these nerve alerts and strikes the leg accordingly, permitting the affected person to maneuver the limb extra naturally. 

Why it issues: The brand new gadget may assist individuals with lower-leg amputations really feel as if their prosthesis is a part of them, and make strolling simpler. Learn the complete story.

—Sarah Ward

AI firms are lastly being pressured to cough up for coaching knowledge

The generative AI growth is constructed on scale. The extra coaching knowledge, the extra highly effective the mannequin. However many web sites and knowledge set homeowners have began proscribing the flexibility to scrape their web sites. Final week three main document labels introduced they have been suing the AI music firms Suno and Udio over alleged copyright infringement, claiming the corporations had made use of copyrighted music of their coaching knowledge “at an virtually unimaginable scale.”  

However this second additionally units an attention-grabbing precedent for all of generative AI growth. Due to the shortage of high-quality knowledge and the immense stress and demand to construct even larger and higher fashions, we’re in a uncommon second the place knowledge homeowners even have some leverage. The music trade’s lawsuit sends the loudest message but: Excessive-quality coaching knowledge is just not free. Learn the complete story.

—Melissa Heikkilä

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