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.
To see her standing over her teacher Peter Richardson is quite amusing, as he is five foot eight and she of course is the world's tallest teenage girl at 6ft 11in.. Marvadene took the title from Thai national Malee Duangdee who stands at 6ft 10in. People are friendly with me because of my height and my personality.