A fin is a flattened appendage on an animal or machine, primarily used for propulsion, steering, or stability. These structures are vital for movement through fluid mediums, commonly found on fish, marine mammals, and aquatic or aerial vehicles.
A fin is a flattened appendage on an animal or machine, primarily used for propulsion, steering, or stability. These structures are vital for movement through fluid mediums, commonly found on fish, marine mammals, and aquatic or aerial vehicles.