Join Norb Svanascini and Al Edwards as we look back at some inventions that changed the world, but we take for granted today such as air conditioning and the zipper. Not all of these innovations were successful at first. Norb and Al also reflect on how past failures, looking back on them with the gift of perspective, can bring us joy today.The Magic of Positive Thinking is brought to you by Americaneagle.com Studios; follow today for exciting new episodes!