Q: How many Heisenbergs Posted on September 11, 2017September 11, 2009 by admin Q: How many Heisenbergs does it take to change a light bulb?A: If you know how many, you can’t know if they’ve done it yet. Spread the love Related posts: Q: How many `Real Q: How many bureaucrats How many presidential candidates does it take… How many IBM types does it take to change…