It takes a surprising amount of work to keep coffee consistent cup to cup and to ensure that the beverage delivers the flavour jolt the consumer desires. But an electrifying new approach from University of Oregon researchers could make the task easier. They’ve discovered a way to measure the flavour profile of a cup of coffee by sending an electrical current through it. It's a process called voltammetry. Chris Smith spoke with chemist Christopher Hendon, the brains behind the discovery...