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When ancient technology and high-tech robots intersect

In one Penn lab, a stone-sculpting machine is helping archaeologists solve long-held mysteries of very old tools.
2 researchers using a hydraulic-powered machine
Postdoctoral fellows Tamara Dogandžić and George Leader prepare Super Igor, a hydraulic-powered machine that can produce up to 20,000 pounds of force, allowing the research team to test how early humans might have made stone tools and flakes.

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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