Good news we can make much better color e-paper! Bad news, your epaper is made out of platinum and gold. Looking through the paper it looks like an excellent a

Good news we can make much better color e-paper! Bad news, your epaper is made out of platinum and gold. Looking through the paper it looks like an excellent advancement in terms of multi-color reflective paper displays. My hope is that the authors can continue the work to perhaps uncover some more economical mirror substrates and node combinations that give good results while not being precious metals.