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Key Us Lawmaker Backs Giving Ukraine Armed Drones

A top Democratic lawmaker is pushing the Biden administration to send Ukraine armed drones and longer range artillery, he told reporters Wednesday. “When it comes to drones and when it comes to long-range artillery, we’ve been too cautious,” House...

Five of the World’s Tiniest Robots

Allow me to take you on a trip down my memory lane. As a young lad, a film I saw captured my imagination: Fantastic Voyage, a 1966 release about people shrunk to microscopic size and sent into the body of an injured scientist to repair his brain. The idea struck...

Paving the Way for Off-Earth Factories

European aerospace company Airbus will send a metal-crafting 3D printer to the International Space Station next year as a first step in its plans to set up an orbital satellite factory.  The printer, called Metal3D, can work with metals that melt at temperatures...