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Scientists build device to harvest electricity from Earth's spin ( www.earth.com )

A Princeton-led team has built a tabletop device that generates voltage directly from Earth's rotation through its magnetic field. While the power output is orders of magnitude too small for practical electronics, the breakthrough suggests Earth's spin could someday provide constant, fuel-free energy if the effect scales up. The ...

Humanoid robots set to begin border patrol duties between China and Vietnam ( www.earth.com )

Chinese startup UBTECH Robotics just snagged a $37M contract to deploy its Walker S2 humanoid robots at the China-Vietnam border in Fangchenggang, where they'll guide passenger queues, direct vehicles, patrol corridors, and inspect cargo containers. The deployment follows China's 2023 directive to build a national humanoid ...