Question

In 1982, Wilhelm Bartlott was another inventor who had a great idea when he was studying the leaves of a lotus plant. Bartlett noticed that water always ran off the leaf. When he had a closer look, he also noticed how the leaf cleaned itself. Bartlott copied the leaf’s special surface and now you can find it in specialised paint products where water and dirt never stay on the paint. In conclusion, biomimetics has helped to design our world and there are many more future possibilities. Unfortunately, it might take a long time to discover all the possibilities. This is not really surprising because it’s taken nature thousands of years to design its animals and plants. The following statements are incorrect. Correct the sentences according to the information given in the text. The lotus plant helped in the invention of a new model of the Mercedes Benz.

Answer 1

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✒️Your Question :-

➡️ In 1982, Wilhelm Bartlott was another inventor who had a great idea when he was studying the leaves of a lotus plant. Bartlett noticed that water always ran off the leaf. When he had a closer look, he also noticed how the leaf cleaned itself. Bartlott copied the leaf’s special surface and now you can find it in specialised paint products where water and dirt never stay on the paint. In conclusion, biomimetics has helped to design our world and there are many more future possibilities. Unfortunately, it might take a long time to discover all the possibilities. This is not really surprising because it’s taken nature thousands of years to design its animals and plants. The following statements are incorrect. Correct the sentences according to the information given in the text. The lotus plant helped in the invention of a new model of the Mercedes Benz.

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✒️ Answer :-

➡️ the "lotus effect", or nature's principle of self-cleaning surfaces. And it could revolutionise the manufacture and use of several everyday products, particularly paints. You could have cars that don't need washing, house fronts that stay clean for years at an end, and even a reduction in the use of household chemicals for cleaning operations. All this and more, merely from studying nature's gift to the lotus plant.

Wilhelm Barthlott, professor of systematics and biodiversity at the botanical garden of the University of Bonn, Germany, is the man behind this exciting new discovery. He conducted a special study of the lotus leaf and how water cleans its surface. Its unique structure and self-purifying properties have encouraged scientists to devise ways of making long lasting, dirt-repelling products in the form of paints, roof tiles, and what have you.

The method behind the gift The process undermines the popular belief that smooth surfaces are best at repelling dirt. When water drops on a smooth leaf surface, it shifts the dirt particles without washing them away. But the lotus is different. The waxy surface of the lotus leaf is actually quite rough. Observed at the microscopic level, it is coated with a thick bumpy layer of wax.

This conspicuous layer of impermeable 'wax', or lipids, creates an interface between the plant surface and the surrounding environment. The contact area between water and dirt is reduced, making the leaf highly water repellent, or hydrophobic. The wax is also capable of self-regeneration. When water drops fall on this surface, they roll down, carrying dirt particles with them. Even glue cannot stick to the surface of the lotus leaf. Meanwhile, the bumpy surface of the wax layer creates air gaps on the surface. These gaps prevent dirt particles from sticking to the leaf, leaving them free for the water to wash off.

Barthlott says this phenomenon occurs in some other plants as well, but is best demonstrated in the lotus. "As this effect can be beautifully demonstrated with the large leaves of Nelumbo nucifera, the sacred lotus, we call it the lotus effect. It is a nice, catchy name," he says. Barthlott and his team successfully applied this natural phenomenon to make facade paints under the brand name Lotusan, first introduced in the market in March 1999. Barthlott put in 22 years into developing this paint. His persistence brought him the German Environmental Award, one of the most prestigious environmental awards in Europe, as well as the Philip Morris Research Award in 1999. "It is high time industry and technology paid more attention to the lessons that nature has to teach, so that humans might live in closer harmony with the natural environment," Barthlott says.

The bounties to come "In a few years from now, we will have self-cleaning cars," says the professor. This could be just right for a country such as India where pollution, heat and dust are the bane of many a car owner. The list of products that might employ this technology is almost endless, with applications in areas ranging from the food industry and aircraft design, to medicine.

Barthlott points out that, in comparison with conventional paints, Lotusan can withstand harsh weather conditions and is effective when applied on external structures, thus reducing the chances of fungal and algal attack. This gives the paint greater longevity, cutting down expenses as well as the use of cleaning agents. "The combination of fillers (that fill the tiny gaps on the surface) gives the paint a special surface structure," says Barthlott. "Furthermore," he says, "the chemical composition of Lotusan has been improved for a better water repelling characteristics."

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➡️ hope this helps you ❗️❗️

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Answer 2

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