1960 or 2018 using 10million  $ NASA -SERT - APPOLO FUSION,   Ancient  Indian tried to use MERCURY as fuel in Vimana Sastra Mercury was regular fuel without any problem who is more scientific ???? The idea of using mercury as a spacecraft fuel is not exactly new. ... Mercury is much heavier than either xenon or krypton, so spacecraft carrying them would be able to generate more thrust. Of course, mercury is also a  dangerous neurotoxin , so NASA stopped using it after SERT. 20-Nov-2018                                   A Silicon Valley startup wants to use mercury to launch satellites into orbit, potentially lacing the atmosphere with toxic substance. Industry insiders revealed that Apollo Fusion, a two-year-old company based in Mountain View, California, is designing propulsion systems that use  mercury  as spacecraft fuel. The company, which earlier this year has raised $10 million in venture funding, has already reportedly locked in one client and talking to two others. Dangers Of

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