Their H-11B reactor was the concept proposed by Rostoker, Binderbauer and Monkhorst back in the late 90s, right? That dog won't hunt, and they were told that then by multiple people.<p><a href="https://www.researchgate.net/publication/235032059_Comments_on_the_Colliding_Beam_Fusion_Reactor_Proposed_by_Rostoker_Binderbauer_and_Monkhorst_for_Use_with_the_p-11B_Fusion_Reaction" rel="nofollow">https://www.researchgate.net/publication/235032059_Comments_...</a>
This is one of only two or three fusion efforts that might have a future. The other two are chasing D-3He fusion, a much easier target that has certain drawbacks.<p>Not on Earth, of course, because they will never come close to matching the cost of renewables, but they will be a necessity in the outer solar system.