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A water drop on a lotus surface showing contact angles of approximately 147°. The lotus effect refers to self-cleaning properties that are a result of ultrahydrophobicity as exhibited by the leaves of Nelumbo, the lotus flower. [1] Dirt particles are picked up by water droplets due to the micro- and nanoscopic architecture on the surface ...
Ultrahydrophobicity. A drop on a lotus surface, with a contact angle of greater than 146°. A water droplet falling onto a superhydrophobic, elastic surface. In chemistry and materials science, ultrahydrophobic (or superhydrophobic) surfaces are highly hydrophobic, i.e., extremely difficult to wet. The contact angles of a water droplet on an ...
Nymphaea nelumbo. British 19th century, East Indian Lotus (Nelumbo nucifera), late 19th century, National Gallery of Art, NGA 52325. Nelumbo nucifera, also known as sacred lotus, Indian lotus, [ 1 ] or simply lotus, is one of two extant species of aquatic plant in the family Nelumbonaceae. It is sometimes colloquially called a water lily ...
Lotus position. Lotus position or Padmasana (Sanskrit: पद्मासन, romanized: padmāsana) [1] is a cross-legged sitting meditation pose from ancient India, in which each foot is placed on the opposite thigh. It is an ancient asana in yoga, predating hatha yoga, and is widely used for meditation in Hindu, Tantra, Jain, and Buddhist ...
The Lotos-Eaters is a poem by Alfred Tennyson, describing a group of mariners who, upon eating the lotos, are put into an altered state and isolated from the outside world. The Lotus Eater is a short story by W. Somerset Maugham about a man who goes to live a life of indolence on the island of Capri. British romantic composer Hubert Parry wrote ...
Full case name. The Case of the S.S. "Lotus" (France v. Turkey) Decided. 7 September 1927. Claim. Turkey has illegally arrested Mr. Demons, captain of the Lotus. Ruling. There is no rule of international law reserving jurisdiction of crimes committed in high seas to the flag State; Turkey did not violate any law in arresting Mr. Demons.
Wilhelm Barthlott (born 1946 in Forst, Germany) is a German botanist and biomimetic materials scientist. His official botanical author citation is Barthlott. Barthlott's areas of specialization are biodiversity (global distribution, assessment, and change in biodiversity) and bionics/ biomimetics (in particular, superhydrophobic biological ...
The surface structure of the lotus leaf and the rose petal, as seen in Figure 9, can be used to explain the two different effects. The lotus leaf has a randomly rough surface and low contact angle hysteresis, which means the water droplet is not able to wet the microstructure spaces between the spikes. This allows air to remain inside the ...