What is GaN charging and why is it helpful?

The humble power adapter is tasked by its users with one thing and one thing only: to charge their devices. In years past, they’ve been ugly and bulky affairs. Not so much recently, however, as the implementation of gallium nitride or GaN continues to make wall chargers smaller and easier to carry around through our on-the-move lives. We’ve got a quick explanation of how it does that for our curious readers.