After everything was done, Harrison Clark called Rainer to test his thoughts.
Harrison pretended to care about Rainer's progress in London and asked him if he could finish early and come to Oxfordshire to discuss important matters.
Rainer expressed his eagerness to meet with Harrison but lamented that he was tied up with his academic commitments and multiple projects at a crucial stage in London. He talked about how important these breakthroughs might be.
In short, he couldn't get away for a while.
Harrison began to use his tried and true 31st-century method of fishing for reaction.
He told Rainer that he had been thinking intensely and had completed a complete deduction and theoretical framework for room-temperature superconducting metals in his mind.