This potential treatment may not be for the squeamish. Accidentally swallowed a magnetic ball? Not to worry: Hong Kong scientists have created a state-of-the-art “slime robot” that can be magnetically ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Researchers at MIT have created a tiny, cucumber-inspired soft robot ...

China’s halt this month on exports of magnets containing heavy rare earth metals has affected Tesla’s plans to manufacture Optimus robots. By Keith Bradsher Reporting from Shanghai Elon Musk, the ...