Taught me a couple of things I didn't know
http://www.cracked.com/article_20634_6-things-movies-get-wrong-about-swords-an-inside-look.html
http://www.cracked.com/article_20634_6-things-movies-get-wrong-about-swords-an-inside-look.html
Almost all bullets are made of copper or a copper alloy. And copper is famous for not causing sparks.