My knowledge of science issues is limited, but I have wondered about the practical and applied use of these projects. Such as the one Elon Musk has been working on, requiring several million dollars to keep going.
“but I have wondered about the practical and applied use of these projects.”
Common sense. Same here. I am now thinking that even they know their stuff will never work or care. The object is not to invent a better mousetrap, but to invent a good con job to get funding.