Depending on who you ask, the true impact of quantum computing is just around the corner or still many years away. Jason Lynch, who heads up the Dublin-based quantum computing start-up Equal1, lands somewhere in between. His company has been building a quantum computer for several years and is planning to roll out a new version of that machine for industry testing within the next two years. It is an important step towards commercialising the technology, where its impact will eventually be felt by everyday consumers, but Lynch is also quick to temper expectations on timelines. Equal1 was founded nearly…