John asks why meteorologists are concerned with dew point. The dew point is the temperature at which water vapor condenses into liquid water. If the liquid water condenses onto objects (grass, autos, ...

NORFOLK, Va. — The old saying goes “it’s not the heat, it’s the humidity!” And while that may be true, it’s only half of the story. It’s the “dew point” that really matters. But what is the dew point?

MIKE MOSS SAYS: Joe, Dew will not form if the temperature of the ground, grass, tops of cars, etc does not fall to equal the dew point. This can occur if the air is very dry so that it simply does not ...

So, does dew really fall? We think of wet grass as something which comes from falling rain. Rain does fall of course and in some ways it's the product of the same process which makes dew. But yet it ...

A grooved surface that collects water by encouraging large dew droplets to form rapidly and then trickle away has been created by Pierre-Brice Bintein and colleagues at the Superior School of ...

Winter nights often bring a common yet dangerous driving challenge-dew and fog forming on car windows. When moisture accumulates on the windshield and windows, visibility drops significantly, ...

MIKE MOSS SAYS: Edili, Dew requires a surface that is colder than the dew point of the air in contact with it, so dew will not form when the surface is warmer than the ambient dew point. In nature, ...