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 of the way so they wouldn't miss it. As the witnesses neared the room they dropped a thick rope from a balcony. The witnesses saw what they thought was the end of the trick, the rope falling as if it had been in mid-air seconds before. A sheet was then removed from a boy with fake blood at his neck and shoulders, hinting that his limbs and head had been reattached to his torso. According to their account, the rumour that a British couple had witnessed the trick was heard a few weeks later in England. Indian rope trick The