Once I have hard-boiled an egg, how can I tell it apart from a raw egg?
To determine whether an egg has been hard-boiled, spin the egg on a hard, flat surface. If the egg spins steadily, it is hard-boiled. If it wobbles, it is raw.
To determine whether an egg has been hard-boiled, spin the egg on a hard, flat surface. If the egg spins steadily, it is hard-boiled. If it wobbles, it is raw.