Video: Is gallium nitride the silicon of the future?

The global electronics industry has been fueled by silicon from the get-go, but that may soon change. Products are slowly appearing that replace silicon with gallium nitride, a material that promises to shrink technology down while making it more efficient. Here, Verge Science takes a look inside one of these products to find out how gallium nitride could usher in the future of miniaturized gadgets.