Humidity
Videos
Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the naked eye. Humidity indicates the likelihood for precipitation,
Paranal Observatory on Cerro Paranal in the Atacama Desert is one of the driest places on Earth.
A hygrothermograph for humidity and temperature recording
Hygrometer for domestic use, wet/dry psychrometer type
Thermo hygrometer displaying temperature and relative humidity
Air conditioning
Videos
Air conditioning, often abbreviated as A/C or air con, is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature and, in some cases, controlling the hum
An array of air conditioner condenser units outside a commercial office building
The István Röck factory exhibits a small home refrigerator , an air cooling device for large rooms, and a large industrial refrigerator (in the background) at the 1896 National Millennium Exhibition in Budapest
Willis Carrier, who is credited with building the first modern electrical air conditioning unit
The infrared transmitting LED on the remote