I read the HN post over the weekend about Graphene coating heating to 160 degrees in sunlight [1]. Could this be used for the cool side? 1. https://news.ycomb

I read the HN post over the weekend about Graphene coating heating to 160 degrees in sunlight [1]. Could this be used for the cool side? 1. https://news.ycombinator.com/item?id=19467542 https://news.ycombinator.com/item?id=19467542