RMIT University’s Phred Petersen won the 2008 New Scientist Eureka Prize for Scientific Photography for photographing a toy rocket with a Schlieren lens, with stunning results.
You can read the article here.
Mr Peterson teaches his students in Scientific Photography the capability the Schlieren lens has by capturing everyday objects in action. Here is some footage he took of a match being struck.
The student work from this course is also quite stunning.