After a Chinese export ban, can America get gallium and germanium from Canada — or will tariffs get in the way?

Environmental systems scientist at the University of Delaware. Gallium metal has the unusual property of melting at room temperature and is often used as a curiosity prop in chemistry exhibitions.

(Bloomberg) -- Two obscure yet crucial metals, gallium and germanium, are the latest pawns in the escalating US-China trade war. On Dec. 3, China announced an export ban on both metals to the US ...