3 ms·
Uranium glass is even more fun: https://en.wikipedia.org/wiki/Uranium_glass https://en.wikipedia.org/wiki/Uranium_glass Glows under UV!
by akiselev 4y ago
Uranium glass is even more fun: https://en.wikipedia.org/wiki/Uranium_glass https://en.wikipedia.org/wiki/Uranium_glass
Glows under UV!