A flywheel is a rotating mechanical device that is used to store rotational energy. Flywheels have an inertia called the moment of inertia and thus resist changes in rotational speed. The amount of energy stored in a flywheel is proportional to the square of its rotational speed.
Nevertheless, she was the tallest person in the world at the time. Yao Defen is considered the tallest living woman who was born in July 15, 1972 in Shucheng China . Yao measured 2.33 m (7 ft 8 in). Her gigantism is due to a tumor in her pituitary gland. The story of this woman giant began to spread rapidly after she went to see a doctor at the age of fifteen years for an illness.
Sun Fang - 7 feet 3 inches (221 cm) Sun Fang became the tallest woman in China and probably the tallest living woman in the world, after the death of Yao Defen on 13 November 2012. She was often mistaken for Yao Defen because of their likeness in appearance. More images of Sun Fang.