They are hypothetical structures that may exist in the fabric of space-time, connecting distant points in the universe through a shortcut.
The concept of a wormhole being created inside a washing machine, as shown in fiction like "Command Z," is purely imaginative and falls into the realm of science fiction. In reality, there is no scientific evidence or theoretical basis to suggest that a wormhole could be spontaneously generated inside a household appliance or any other mundane object.
The existence and properties of wormholes are still theoretical, and much research and understanding are required to even comprehend their nature fully. They are complex concepts that involve extreme conditions, such as black holes or exotic matter, and currently, there is no practical way to create or traverse a wormhole.
So, while entertaining in fiction, the idea of a wormhole in a washing machine is far beyond the current boundaries of scientific understanding and technological capability. It's essential to distinguish between speculative concepts in science fiction and the well-established principles of real-world physics.