Helium is used to pressurize tanks and help push fuel into the engines. Without proper helium flow, the rocket cannot safely fly. Because the upper stage is hard to reach at the launchpad, NASA rolled the stacked rocket back into the Vehicle Assembly Building, the sky-scraping hangar where it was originally put together.
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Proxima Fusion, a Munich-based nuclear energy startup, has outlined plans to raise about €2 billion to build a major fusion test facility in Germany that could be a milestone on the path to commercially viable fusion power. The company expects more than half of that, roughly €1.2 billion, to come from the German federal government, […]
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