One of the challenges of experimental fluid dynamics is capturing information about a flow that varies in three spatial dimensions and time. Experimentalists have developed many techniques over the years–some qualitative and some quantitative–all of.
An Giclee print of the original 'Dandelion Clock' papercut by Charlotte Trimm. A beautiful silhouette of a Dandelion clock stands delicately just waiting for the slightest gust to blow the seeds from it's head. This printed reproduction is availabl.