diff -u -r1.19 -r1.20
--- Material.java	29 Jul 2005 07:43:07 -0000	1.19
+++ Material.java	1 Feb 2006 01:32:41 -0000	1.20
@@ -1,6 +1,5 @@

 package org.lcsim.material;
 

-import static java.lang.Math.sqrt;

 import static java.lang.Math.abs;
 import static java.lang.Math.pow;
 import java.util.List;