Re:Dark Matter Detector Records One of the Rarest Events Kno...
by gus_massa on Sunday April 28, 2019 @02:13PM
(#19772668)
The other article didn't have the exact number, so I used the number of Wikipedia that says something like 3.6 tons in total and 2tons inside the measurement part (or something like that).
not sure if that was intentional..