Referenzen
Sprinkle light particles on a water surface. Then allow a water stream to be incident on the surface from a small height. Under certain conditions, the particles may begin to move up the stream. Investigate and explain this phenomenon.
Referenzen
Referenz einreichen
- Vorführexperimente, Videos
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These Particles Flow Upstream Instead of Down
Presentation and basic explanation of the phenomenon.
- Wissenschaftliche Artikel
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About the Upstream Contamination
Development of a theoretical model of the phenomenon for the case of a vertically falling water beam.
http://revistacubanadefisica.org/index.php/rcf/article/view/637
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Upstream contamination by floating particles
First study of the phenomenon under controlled conditions: clean water is discharged along an inclined channel into a lower container contaminated with floating particles. The floating particles are transported both up a waterfall and upstream in channels.
https://royalsocietypublishing.org/doi/full/10.1098/rspa.2013.0067