Tough Spider Silk Mar 10, 2006 22:22:03 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Harfoopler on Mar 10, 2006 22:22:03 GMT -5 Spider silk is stronger than the Kevlar in bulletproof vests.A strand of spider silk, the width of a pencil, could stop a Boeing 747 in flight! -Science Channel