Fan (machine) the airflow from the fans. Thus, fans may become ineffective at cooling the body if the surrounding air is near body temperature and contains high humidity. The punkah fan was used in India about 500 BCE. It was a handheld fan made from bamboo strips or other plant fibre, that could be rotated or fanned to move air. During British rule, the word came to be used by Anglo-Indians to mean a large swinging flat fan, fixed to the ceiling, and pulled by a servant, called the punkawallah. For purposes of air conditioning, the Han Dynasty craftsman and engineer Ding
Indian rope trick and fell on the ground behind the juggler who held the rope. Another juggler threw a cloth over the boy and pretended that he was dead. After considerable tom-tomming and incantation the boy began to move, and was eventually restored to life. In 1935, Harry Price suggested that a strong sun and jointed rope could explain the trick. He translated an article by the German magician Erik Jan Hanussen who claimed to have observed the secret to the trick in a village near Babylon. According to Hanussen the spectators were positioned in front of a blazing sun and the "rope"