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Salvinia Effect of Salvinia natans
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Salvinia Effect of Salvinia natans
Scanning electron micrograph of leaf detail of Salvinia natans, a floating fern type plant which has superhydrophobic trichomes or hairs on the upper surface of its leaves. Each of these eggbeater shaped hairs exhibits a hydrophilic tip on the top of each hydrophobic hair. The combination of a hydrophobic surface with hydrophilic tips is called the " Salvinia Effect". These air retaining surfaces are of great interest, particularly with regards to fuel consumption when applied to ships having to overcome friction produced by the drag of water on their hulls. This drag could be reduced dramatically with the " Salvinia Effect", a layer of air between the ships hull and the water, saving vast amounts of fuel. A suggested estimated saving of 20 million tons of oil per year for just a 10% decrease in drag for shipping alone. Magnification: x372 (x122 at 10cm wide)
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Media ID 18060744
© POWER AND SYRED/SCIENCE PHOTO LIBRARY
Cleaning Drag Effect Electron Fern Floating Friction Hairs Hydrophobic Layer Micrograph Microscope Nanotechnology Scanning Trichomes Natans Repellent
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This print showcases the intricate details of Salvinia natans, a floating fern type plant. Through scanning electron microscopy, we are able to observe the leaf's surface, which is adorned with superhydrophobic trichomes or hairs. These unique structures possess hydrophilic tips on top of their hydrophobic bodies, giving rise to what scientists call the "Salvinia Effect". The Salvinia Effect holds immense potential in various fields, particularly in reducing fuel consumption for ships battling water drag. By creating a layer of air between the ship's hull and the water using this effect, friction can be significantly minimized. It is estimated that even just a 10% decrease in drag could save an astounding 20 million tons of oil per year in shipping alone. Beyond its practical applications, this image also highlights the beauty and complexity found within nature. The magnification level of x372 (x122 at 10cm wide) allows us to appreciate every minute detail present on these leaves. From nanotechnology enthusiasts to researchers studying plant biology and engineers seeking innovative solutions for energy efficiency, this photograph serves as both inspiration and evidence of nature's remarkable design. Credit must be given to POWER AND SYRED/SCIENCE PHOTO LIBRARY for capturing this stunning moment through their lens and Science Photo Library for making it available for our exploration into the wonders of science and technology.
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