>One obvious downside though is that aluminum is not clear. Transparent aluminum does exist! Kind of... I haven't seen any evidence that it is viable for packa

>One obvious downside though is that aluminum is not clear. Transparent aluminum does exist! Kind of... I haven't seen any evidence that it is viable for packaging. https://hackaday.com/2018/04/03/whats-the-deal-with-transparent-aluminum/ https://hackaday.com/2018/04/03/whats-the-deal-with-transpar...