
Originally Posted by
mathman
Main problem (for both NSF and Tokamack) has always been engineering, not science. How to build a machine that is useful, not just demonstrates.
By useful, you likely mean how to convert the excess energy into electricity, etc.
"Demonstration" simply proves an excess of energy from a self-sustaining reaction.
How much more complicated is all this supposed to be? Most of us just assumed the excess energy would be "useful" as it is being produced, not thinking of the means for using it.
At 100 million K, it is a rather hot plasma, after all......