News for hackers. Stuff that matters.

A comment on U-Bahn station in Berlin is decorated with radioactive uranium glazed tiles. Parent comment

Re:U-Bahn station in Berlin is decorated with radioactive ur... by hanslub42 on Tuesday February 07, 2023 @08:51AM (#34692692)
Uranium (both U238 and U235) is an alpha-emitter. Alpha particles travel at most a few centimeters in air.
[ Parent | on HN ]
Re:U-Bahn station in Berlin is decorated with radioactive ur... by addandsubtract on Tuesday February 07, 2023 @11:14AM (#34694627)
This is U8, though.
[ Parent | on HN ]
Re:U-Bahn station in Berlin is decorated with radioactive ur... by snovv_crash on Tuesday February 07, 2023 @12:29PM (#34695802)
(that's the name of the subway line for any non-Berliners who might be confused)
[ Parent | on HN ]
Re:U-Bahn station in Berlin is decorated with radioactive ur... by gus_massa on Tuesday February 07, 2023 @01:24PM (#34696789)
That's a good explanation!

I made a mistake and assumed it was Beta or Gamma radiation that travel easier in air.

[ Parent | on HN ]