Black holes are extremely dense objects with a gravitational pull so strong that nothing, not even light, can escape their event horizon. They are formed when the cores of massive stars collapse under their own gravity, or when large amounts of matter are compressed in a small volume.

Mini black holes are hypothetical black holes with masses much smaller than that of the Sun. They have been proposed as a way to explain some of the mysteries of the universe, such as dark matter and the origin of high-energy cosmic rays. However, there is no direct evidence for the existence of mini black holes.

The idea that everything is made of mini black holes is not supported by any scientific evidence. It is a speculative idea that has not been tested or verified.