To bring this dead thread back... one more time... (Sorry. I didn't see it during either of its first two lives.)
With a little hyperventilational prepping, 2 minutes even. (If I hadn't been watching a clock, it would have been less, I'm sure.)
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Originally Posted by Amber H.
How long can you make a sustained hissing sound on just one breath?
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54 seconds.
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Another one is: How long can you hold a piece of paper on a wall using only your breath blowing on it?
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About 4 seconds. (Every time I tried to time it by looking at my watch before starting, I couldn't even get the paper to stay. I had to resort to just blowing, and then after I was done blowing, count for the approximate length of time I had blown.)