Any problem can be solved with unlimited funds. The question isn't if it is possible, it is how much good can be done with that same money elsewhere (opportunit

Any problem can be solved with unlimited funds. The question isn't if it is possible, it is how much good can be done with that same money elsewhere (opportunity cost). For example, one mile of Hyperloop or five miles of conventional high speed rail? One mile of Hyperloop or two miles of Monorail? One mile of Hyperloop or investments into more efficient aircraft?