Originally posted by PackRat:
I would suggest transparent aluminum. But you might have to watch Star Trek IV a zillion times frame by frame to get the formula that Scotty typed on that computer! 
:::watching Star Trek IV in slow motion:::
2 parts Earl Grey Tea 1 Part Klingon Ale... Hey wait a minute, Thats not aluminum..Thats a Long Island !!!

No wonder the Whales sang so damn much.