3 ms·
Hm.... I've spent a lot of waiting time in this station (Rosenthaler Platz) over the years. And these tiles (in different colors though) are in a considerable
by exo-cortex 4y ago
Hm.... I've spent a lot of waiting time in this station (Rosenthaler Platz) over the years.
And these tiles (in different colors though) are in a considerable amount of Berlin subway stations. Are they all radioactive like these here? Or is it only caused by the orange pigment?
- rcme 4y agoThe orange pigment was made with uranium.
- gilleain 4y agoSpecifically, Uranium Oxide (UO2, I guess? Or maybe the trioxide?): https://blog.colornavigator.net/dangerous-colors https://blog.colornavigator.net/dangerous-colors https://en.wikipedia.org/wiki/Uranium_trioxide https://en.wikipedia.org/wiki/Uranium_trioxide