Uranium
A brittle gray metal discovered by Klaproth in 1789, in the mineral pitchblende; lately employed in manufacturing glass for philosophical purposes.
Harper’s Book of Facts, 1905.
A brittle gray metal discovered by Klaproth in 1789, in the mineral pitchblende; lately employed in manufacturing glass for philosophical purposes.
Harper’s Book of Facts, 1905.
25 years or so later they start experimenting with a much more dangerous usage...that...
Philosophical purposes? They used to make Philosophical Glass?!
What on earth are...glass manufactured with uranium?
Wasn’t it radioactive?! Or am I being a big ignorant ass?
mY SIDES