Exactly. Like solar panels. It existed for decades, and languished in the labs, behind patent protections, until the patents expired. Then China came onto the s

Exactly. Like solar panels. It existed for decades, and languished in the labs, behind patent protections, until the patents expired. Then China came onto the scene, and innovated in mass production techniques to make it cheaper. And now, solar energy just crossed a milestone, at 4 cents per kilowatt hour, making it competitive with other energy sectors.