[voxl]

Oh sorry, we didn't realize that you completely understand all of physics and can qualify, without any possibility of error, that any configuration, period, that utilizes fusion will necessarily be impossible because of this physical restriction.

[pfdietz]

For DT fusion, that's been known for 35 years. It's not just materials, it's power density.

http://www.askmar.com/Robert%20Bussard/The%20Trouble%20With%...