Why does dew appear on the grass in the morning?
Dew's Nightly Hide-and-Seek
Why does dew appear on the grass in the morning?
You step outside one morning and the grass is soaking wet. No rain fell. The sky was clear all night. So who left the lawn dripping? The answer has been floating right under your nose the whole time — literally.
The air around you isn't empty. It's packed with water you can't see — invisible water vapor, drifting between everything like an ocean made of breath. Warm air holds heaps of this hidden water. Think of warm air as a big, generous sponge: the warmer it is, the more it can carry.
