In frigid parts of the world you could perhaps chill by using ambient air, sometimes.
Having a large surface area, the cup begins losing heat to cooler ambient air.
I believe the data you are quoting assumes ambient air.
Nothing escaped into the ambient air for any concealed listening device.
Both techniques can be used in ambient air without the need of additional seeding.
The fins then release the heat to the ambient air.
The quality of ambient air is not improved merely by mapping out pollution.
Improving the quality of our ambient air remains a major challenge to be addressed.
But the stupid things must draw their sustenance from the ambient air.
She pulled away from him, breathed the ambient air for a moment, then coughed again and stuck her face back into his force field.