[berntb]

>>[About General Fusion] Radioactive liquid alkali metal exchangers

The last time I checked the periodic system, lead was NOT an alkali metal. Lithium? Hell, they talk about using sodium in newer nuclear power plants... (and have some going since long.)

[Edit: I googled for you. http://www.sciencedirect.com/science?_ob=ArticleURL&_udi... ]

[Edit: Some discussion about sodium and lead in nuclear reactors. Lithium is hardly worse than sodium. http://www.world-nuclear.org/info/inf32.html ]

(FYI, the main criticism of GF I've seen has been about the mechanical building of the pistons.)