4 ms·That's the problem though isn't it. Reliance on humans.by goguy 5y agoThat's the problem though isn't it. Reliance on humans.giantg2 5y agoWhich is not a problem in designs that incorporate passive safety (FAST, slow wave).p_l 5y agoOr already tested out (including in an accident) SVBR design... unfortunately, other than the geopolitical issues, it is partially locked by low supply of bismuth (it has a variant without bismuth, but it's not without downsides, iirc)giantg2 5y agoYeah, SVBR is a FAST reactor.