- Why did the photon get arrested? - Because he was interfering with himself in public! A neutron walked into a bar and asked, "How much for a drink?" The bartender replied, "For you, no charge." Two atoms were walking across a road when one of them said, "I think I lost an electron!" "Really!" the other replied, "Are you sure?" "Yes, I 'm absolutely positive." Have you heard that entropy isn't what it used to be? Q: What is the simplest way to observe the optical Doppler effect? A: Go out at and look at cars. The lights of the ones approaching you are white, while the lights of the ones moving away from you are red. Does a radioactive cat have 18 half-lives? The Heineken Uncertainty Principle says "You can never be sure how many beers you had last night." Q: What did Donald Duck say in his graduate physics class? A: Quark, quark, quark! Q: What did one uranium-238 nucleus say to the other? A: "Gotta split!" A little boy refused to run anymore. When his mother asked him why, he replied, "I heard that the faster you go, the shorter you become." There is a sign in Munich that says, "Heisenberg might have slept here." Q: What did the male magnet say to the female magnet? A: From your backside, I thought you were repulsive. However, after seeing you from the front, I find you rather attractive. (C) Jupiter Scientific