Build your own DIY Boat-Bot — a floating robot that sails across water using a small motor and battery! 🚤🤖 This fun and easy science project is perfect for kids, school exhibitions, or STEM learning ...

In an old Soviet-era warehouse just miles from the front in Donetsk Oblast, sparks fly from a welding torch as Ukrainian engineers crouch over the metal frame of a ground robot. Known as an unmanned ...