A new chemical analysis of lunar material collected by Apollo astronauts in the 1970s conflicts with the widely held theory that a giant collision between Earth and a Mars-sized object gave birth to ...
QinetiQ has completed a flight test of an aircraft fitted with a structural component 3D printed from recycled titanium. The UK global defence and ...
Metal-air batteries are particularly suitable for applications in which a compact size is important or in large-scale stationary storage systems that use low-cost, common and nontoxic materials.
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