LG Electronics has introduced an upgraded version of its residential air conditioner, the DUALCOOL AI Air. This new model ...

The Spot is basically a peel-and-stick pebble that uses radar to detect people's presence. It can see about 16 feet in front of it and also ...

Global warming is the unusually rapid increase in Earth’s average surface temperature over the past century primarily ... The absorbed solar energy heats our planet. As the rocks, the air, and the ...