what material is that?
-
Yes. All materials absorb radiation. Lead is popular because it is very dense and very cheap. Water will also work, but it is far less dense.
Gold works as well as lead because it is very dense, but it is very, very expensive.
Gold works as well as lead because it is very dense, but it is very, very expensive.
-
Sure, a simple summary can be found here:
http://en.wikipedia.org/wiki/Radiation_p…
http://en.wikipedia.org/wiki/Radiation_p…