Syncing occurs automatically when you open the Fitbit App on your Android device and have your Zip nearby. Force Sync You can also Force Sync your Zip through the Device Settings to get your trackerâs latest data synced to your Android device.f your iOS deviceâs screen is off, your Zip will not sync in the background until you wake your iOS device from sleep. Force Sync You can also Force Sync your Zip through the Devices menu if you want to get the latest data synced. To Force Sync your Zip: 1. Open the Fitbit App.
And in 1902, a 25-year-old engineer from New York named Willis Carrier invented the first modern air-conditioning system. The mechanical unit, which sent air through water-cooled coils, was not aimed at human comfort, however; it was designed to control humidity in the printing plant where he worked.
1 1902 Willis Haviland Carrier invented the first air conditioner to control the temperature and humidity of a printing company, marking the first time effort taken to control the temperature of the surroundings. 2  This starts the history of air conditioning. 1913 The first international refrigeration expo is held in Chicago. 2  1928 The discovery of Freon refrigerant by Thomas Midgley, Jr. 3  1930 The White House is air-conditioned. 4  1946 The demand for room air conditioners began to increase with more than 30,000 units produced on this year.