The white, cloudy contrails that airplanes often leave in the sky may be full of ice crystals, but they're warming the globe. They trap infrared radiation on its way out into space which slightly heats the Earth.
The white, cloudy contrails that airplanes often leave in the sky may be full of ice crystals, but they're warming the globe. They trap infrared radiation on its way out into space which slightly heats the Earth.
The white, cloudy contrails airplanes often leave in the sky may be full of ice crystals, but they're warming the globe. Fresh contrails tend to trap outbound infrared radiation, slightly heating Earth.
New stealth technology can hide or disguise a tank's infrared signature, allowing it to project the heat signature of a car or evanesce into the background.
New stealth technology can hide or disguise a tank's infrared signature, allowing it to project the heat signature of a car or evanesce into the background.
Infrared images taken by NASA satellites have peered below the earth's surface to reveal what are suspected to be pyramids under the ancient city of Tanis.
Infrared images taken by NASA satellites have peered below the earth's surface to reveal what are suspected to be pyramids under the ancient city of Tanis.