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Schlieren image of warm air rising

Schlieren image of warm air rising

Andrew Davidhazy
Rochester Institute of Technology

This schlieren photograph shows that air coming in contact with a goblet filled with warm water warms up and rises as a result of increase in temperature.

In the lower picture, the goblet was simply filled with coffee out of a freshly made pot of coffee from a coffeemaker for making its surface hot (left), and with ice and water to make its surface cold (right).

For more photographs by Andrew Davidhazy, see his Exhibits.

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