• 8 yıl önce
Quick Questions explains how cold winter air triggers the same processes that form clouds, fog, and dew … so you can see your breath! Hosted by: Hank Green .\r
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Im a fog machine! Dawn and Edward have fun understanding and creating fog. Learn how to make fog at home! All you need is a bottle, funnel, measuring cup .\r
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Jan 13, 2014; 5:00 AM ET When and why can you see your breath on a cold winter day?\r
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Nov 18, 2011; 5:00 AM ET We often think it has to be winter to see your breath, but how cold does it actually need to be and does moisture also play a role?