CHARLESTON, S.C. (WCBD) – A bright green liquid seen pouring into Charleston Harbor this week is not harmful. Passersby became concerned Tuesday after observing a neon green liquid coming from a ...
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Swiss aviation pioneer is developing a plane powered by green liquid hydrogen - AP explainsSwiss aviation pioneer Bertrand Piccard is developing a plane powered by green liquid hydrogen after a much-hyped flight in 2015 that used sunlight to travel around the world. The new project, called ...
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