Have a hypothesis about the world, society, human nature, physics, or anything else that nobody has directly tested before? It might seem like conducting a costly experiment would be required to find out whether it's true. But a lot of the time, you can check your hypothesis easily using what I call an "Instantaneous Experiment." How to do an Instantaneous Experiment: Step 1: Think of anything at all about the world that's checkable that is likely to be true if your hypothesis is true...