Robotics

A stair-climbing robot that catches itself when it falls

SUTD researchers have developed a reinforcement-learning-based safety system that teaches a stair-traversing service robot to brace itself mid-fall, addressing one of the biggest barriers to deploying autonomous robots on ...

Machine learning & AI

Musk defends AI ambitions as IPO reveals trouble

Elon Musk insists that his artificial intelligence venture xAI remains a serious competitor, pushing back against mounting doubts after revelations that the supercomputing facilities built to power his own AI models are being ...

Security

Bluesky accounts hijacked in pro-Russia propaganda campaign

A Russian influence campaign hijacked hundreds of Bluesky accounts—many belonging to influential Americans—to spread propaganda, researchers said, in a striking disinformation tactic that weaponized authentic identities rather ...

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