Convert atomic unit (length) to shackle (Britain 1949)
Selected category: length.
Definition and details for atomic unit (length):
Atomic unit of length (au) is a unit of length used in particle physics. It is equal with bohr radius.
Definition and details for shackle (Britain 1949):
In 1949 the Royal Navy redefined shackle as 90 feet or 27.432 meters.