Speaking to The Currency from Singapore, Dr Joe Fitzsimons, the chief executive of Horizon Quantum Computing, communicates in a language of computers dense enough to make your eyeballs spin.  It follows that Fitzsimons, who transitioned from academia to the start-up world in 2018, reckons one of the major challenges quantum computing faces is that there are only a few hundred people in the world specialised enough to move the dial in the area.  His company, based in Singapore, has just closed an $18.1 million funding round, bringing its total funding to $21.3 million and I asked Fitzsimons why would investors…