Every month, Lex offers up a trivia question to test your industry knowledge. Use the form below to enter your response. Winners will be selected at random from the correct responses, and will receive cool Lex swag. Our judge's decision is, of course, final. This month's question is:

Which famous Hollywood actress was also an electrical engineer whose patented technological innovations are still in use today?

This month's contest closes on October 31, 2011.