A man refuses to give money to a scientist in order to buy a dynamo for completing a cellular shrinking serum. To rub it in, he decides to drive out to his home and pretend to reconsider just to say no again. The scientist is out but he finds the serum on a table. Just then, lightning crashes through the window and supplies the missing electricity to activate the serum. When the man awakens, he sees a mound in front of him that he must climb in order to get a look around. When he gets to the top, a little boy uses his finger to push the now tiny man back down to the bottom, thinking him to be an ant.; A man's murdered wife continues to phone him from the grave until he confesses to the police.; A scientist makes use of a duplicator ray to make multiple copies of himself in order to work on a scientific problem, then later destroys the copies. An acquaintance prosecutes him for mass murder. The story ends by asking the reader how they would decide the case.; A tyrant's sleep is disturbed every night by men who approach him with the word 'justice' emblazoned upon armbands. These men intend to drag him off, but he awakens before they do so. When the tyrant forces a doctor to treat him, his guards find him missing the following morning and wonder if, in his dream last night, he did not wake up before the justice men dragged him off?; A man discovers that his grandfather built a machine to bring people from another dimension to his home town and keep from returning as long as it functioned. He discovers the machine in the attic still running eighty years later and hatches a plan to extort the descendants of the people by threatening to turn off the machine and exiling them from this dimension. They reject his demand for payment so he attempts to demonstrate his threat by turning the dial on machine, but he himself disappears as he was unaware that his mother was one of other dimensional beings brought over.