February 14, 2026@elonmusk →
“This bot got hands [@TheCaptainEli] Elon Musk on why Optimus is so brutally hard to build (hardware side): “The hands are the majority of the engineering difficulty of the entire robot.” Human hands evolved insane sophistication — ~27–28 degrees of freedom, complex tendon web (mostly forearm muscles), crazy… https://x.com/i/web/status/2022454161552417263”
Engagement vs. median curated tweet
37.5K
Likes
5.1K
Retweets
2.6K
Replies
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