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.
Rotterdam-born Robin van Persie is 6ft tall. The Netherlands has the tallest men in the world while the tallest women can be found in Latvia, according to the largest ever study of global height. Scientists from Imperial College London, using data from most countries in the world, tracked height among young adult men and women between 1914 and 2014.