Elon Musk, CEO of Tesla and executive chair of X (formerly Twitter), has revealed a new prototype of Tesla’s humanoid robot, Optimus, which has become lighter and faster than previous versions. Musk shared a video presentation of Optimus Gen 2 via his X (former Twitter) account on Dec. 13. 

Optimuspic.twitter.com/nbRohLQ7RH

— Elon Musk (@elonmusk) December 13, 2023

According to the video, the new robot is 22 pounds lighter than Optimus Gen 1, while its foot construction replicates human anatomy, improving the machine’s balance and full-body control. Optimus Gen 2 does a few squats in the video to demonstrate that.

The machine has tactile sensing on all fingers and can manipulate…

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