Slashdot, 2004: https://slashdot.org/story/04/08/23/1141217/transparent-aluminum-is-here/informative-comments#comments https://slashdot.org/story/04/08/23/1141

Slashdot, 2004: https://slashdot.org/story/04/08/23/1141217/transparent-aluminum-is-here/informative-comments#comments https://slashdot.org/story/04/08/23/1141217/transparent-alum... tl;dr: Transparent alumin_a_, not transparent alumin_um_.