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  1. 2003年3月3日 · Lotus Leaf Inspires Waterproofing Scheme. Borrowing from one of nature's most water-repellent surfaces--the leaf of the lotus plant--scientists have developed a simple, inexpensive way to create ...

    • Mr. Sponge City
    • A River Reconstructed
    • Beyond Cities
    • Custom Solutions Needed
    • State of Flux

    On a spring day in Beijing with a “very high” air pollution rating, I visited Yu at Turenscape’s headquarters in the city’s Haidian District. A slim, intense man in his 50s, with sharp eyes and just a bit of gray at the temples, Yu traces his passion to the agricultural commune where he grew up in Zhejiang province southwest of Shanghai. There he o...

    A week after meeting yu, I visited one of Turenscape’s latest projects, Yongxing River Park, in a Beijing exurb called Daxing. “Before” satellite pictures from three years ago show open land surrounding the river, already straightened and confined by steep concrete walls. “Now” pictures are chockablock with buildings. Showing me the park are two of...

    It’s not easy to make space for water in an environment that has already been built, however. Architects have to shoehorn tiny projects into existing infrastructure. In Houston, for example, developers often limit themselves to building bioswales in new apartment complexes. In San Francisco, workers have been jackhammering bits of sidewalk and road...

    Yu’s house, a duplex of side-by-side apartments where he and his sister live, is a personal testament to his ideas. Between the two apartments is a living wall Yu built of porous limestone. Water captured from the roof dribbles down its face, from which maidenhair ferns and philodendrons sprout. The green wall cools the two homes enough that they d...

    Natural water-management systems are not static or predictable like gray infrastructure: nature is messy. Water rises and falls. Plants sprout, live and die. Mud is exposed. Although these spaces can be beautiful—perhaps more beautiful than, say, a dam—residents might not always like what they see. For sponge cities to spread, people will have to a...

    • Erica Gies
  2. 6 天前 · Rachel Feltman, Allison Parshall, Alexa Lim. More Podcasts. View All Stories. Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining ...

  3. 2013年12月11日 · Mimicking owl wing down may lead to new sound-proofing materials. Down and the other silencing features could inspire wind turbines and plane engines that produce less noise and fewer vibrations ...

  4. 2023年7月1日 · 12 min read. Found: Giant Freshwater Deposits Hiding under the Sea. Researchers are discovering freshwater reservoirs below the coastal seafloor that might someday save dry regions from drought. By...

  5. 2020年1月6日 · The cause of mysterious pneumonia cases in the Chinese city of Wuhan remains unknown, health authorities in the city said Sunday, as the number of infected people rose to 59 from 44 on Friday ...

  6. 2015年7月2日 · The surface of a water drop curves outward to make a dome. This outward, or convex, curvature bends light rays inward. The result is an enlarged image on the retina of your eye. The object appears ...

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