11. Although he doesn't anticipate commercial fusion reactors until 2050, he thinks that's just fine. 12. The decades-long effort to build a nuclear fusion reactor has received a major boost. 13. The high temperatures needed to fuse light atoms erode the inside of fusion reactors . 14. We need to work harder on fusion reactors and consider space-based solar energy plants. 15. His plasma waves figured in various proposals for fusion reactors . 16. It is the leading candidate for a practical fusion reactor . 17. The upshot is a much better understanding of how a fusion reactor might work. 18. Canada's participation in the international fusion reactor project was cancelled. 19. Rinaker allows Spot to stay at the bunker and feed off the fusion reactor . 20. Wurden is more pessimistic : " Frankly, fusion reactors are still a 50-year thing ."
