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  • Fixing leaky optical pipes with topological glue

    Combining theoretical insights with experimental results, physicists demonstrate a new design for optoelectronic devices that could help make optical fiber communications more energy efficient.
    an abstract depiction of an optical chip with arrows representing unidirectional light travel
    Combining theoretical insights with experimental results, physicists demonstrate a new design for optoelectronic devices that could help make optical fiber communications more energy efficient. (Image: Jicheng Jin)

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  • From a desert to an oasis: Penn engages in ambitious greening effort in the Sahel
    People gather around a large map placed on the floor.

    In Senegal, the ambitious Dakar Greenbelt project seeks to create an extensive network of ecological infrastructure in and around the city to sustainably address environmental concerns and enhance urban life. With support from David Gouverneur and Ellen Neises, Ph.D. candidate Rob Levinthal in the Weitzman School of Design led two courses that included a field trip to Dakar, that culminated in students presenting their visions for parts of the Greenbelt.

    (Image: Courtesy of Chaowu Li)

    From a desert to an oasis: Penn engages in ambitious greening effort in the Sahel

    Students from the Weitzman School of Design journeyed to Senegal to help with a massive ecological and infrastructural greening effort as part of their coursework. The Dakar Greenbelt aims to combat desertification and promote sustainable urban growth.

    Jan 31, 2025