I am not conviced. I mean, you wouldnt want/know what to do with 5 Billion (just looked up the LHC value, I am not sure what the amount of the new proposed acce

I am not conviced. I mean, you wouldnt want/know what to do with 5 Billion (just looked up the LHC value, I am not sure what the amount of the new proposed accelerators would be) for these kinds of experiments, probably 100 Million would be plenty. If you think that Iter is 15 Billion then 5 Billion doesnt sound so much. (Also in the grand Scheme of things like 50 Billion is not much)