Patent Number: 
Section: claims

1. A panel for attenuating radiation, the panel comprising: a layered structure comprising a laminate secured between layers of sheet metal, wherein said laminate comprises a flexible layer comprising polymeric material and metal, wherein said metal is for attenuating radiation, and a layer of foam secured to said layer of polymeric material containing metal, wherein said flexible layer is more flexible than said layer of foam. 2. The panel according to claim 1, wherein said layers of metal comprises a sheet of steel that is bonded to said layer of foam, so that said sheet of steel and said layer of foam are cooperative for at least partially supporting said layer of silicone containing metal. 3. The panel according to claim 1, wherein said polymeric material comprises silicone and said metal comprises at least one metal selected from the group consisting of tungsten and iron, and said silicone at least partially contains said metal. 4. The panel according to claim 3, wherein said metal is impregnated in said silicone. 5. The panel according to claim 1, wherein:said layer of foam is a first layer of foam;said laminate further comprises a second layer of foam;said flexible layer includes opposite first and second sides;said first side of said flexible layer is bonded to said first layer of foam; andsaid second side of said flexible layer is bonded to said second layer of foam. 6. The panel according to claim 5, wherein:said layers of metal comprises first and second sheets of steel;said first sheet of steel is bonded to said first layer of foam, so that said first sheet of steel and said first layer of foam are cooperative for at least partially supporting said layer of silicone containing metal; andsaid second sheet of steel is bonded to said second layer of foam, so that said second sheet of steel and said second layer of foam are cooperative for at least partially supporting said layer of silicone containing metal. 7. The panel according to claim 1, comprising a frame mounted to said layered structure for securing said layered structure, wherein:said layered structure comprises a top compound edge, a bottom compound edge, and side compound edges;said frame includes frame members, each of said frame members defines an elongate groove, and said grooves of said frame members are respectively in receipt of said top, bottom, and side compound edges of said layered structure; andsaid frame members are respectively secured to one another, so that said frame members cooperate to extend around said layered structure. 8. The panel according to claim 7, further comprising:a plurality of legs pivotably mounted to said frame for supporting said frame and said layered structure; anda plurality of wheels respectively mounted to said legs for supporting said legs, said frame and said layered structure, wherein said wheels are adapted for allowing the panel to be rolled across a surface.