Science Experiments

How fast is a sneeze?

Sun, 13th Dec 2009

What you Need

There are a variety of ways of finding this out, but seeing as I have a high speed camera which can take video at 300 frames per second it made sense to try and use it. The only problem is that a sneeze is often mostly made up of fast moving air, which is not very visible. So I made sure that I sneezed with a mouth that was significantly wet, so plenty of visible water droplets will be thrown out with the sneeze.

The second problem was how to trigger a sneeze - it turns out that the major effect of the traditional sneeze inducing material - pepper - seems to be to make your nose hurt, but we persevered and eventually managed to video a couple of sneezes.

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