Keraunography is a big word that means studying lightning! Lightning is a type of electricity that happens when there's a big storm with a lot of thunder and rain. Scientists who study keraunography want to know more about how lightning works and how it can affect things like buildings and people. They do this by using special machines and tools that can measure lightning and record data. By studying lightning, keraunographers can help keep people safe and make sure that buildings and other important things are protected from lightning strikes.