How can high-rise cities like New York keep cool and beat the heat? Retro-reflectors. A study published by Princeton engineers shows that buildings with retroreflective material installed had a temperature decrease of up to 36°F:

Princeton University @Princeton ·
How can high-rise cities like New York keep cool and beat the heat? Retro-reflectors. A study publi…

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    Through @ICorpsNE_Hub, Princeton leads a 10-university innovation program formed to accelerate the economic impact of federally funded research. Among the academic partners are @R…

    Princeton University @Princeton ·
    Through @ICorpsNE_Hub, Princeton leads a 10-university innovation program forme…Through @ICorpsNE_Hub, Princeton leads a 10-university innovation program forme…Through @ICorpsNE_Hub, Princeton leads a 10-university innovation program forme…
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    New Jersey is home to some of the most transformative higher education institutions in the country, and when they work together, they can change lives — like Luke Hixson '26. #Nat…

    Princeton University @Princeton ·
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  3. #3

    Happy #NationalNewJerseyDay to the place we call home. Princeton University is proud to be a driving force in strengthening New Jersey's cultural and economic vitality.

    Princeton University @Princeton ·
    Happy #NationalNewJerseyDay to the place we call home. Princeton University is…
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    "We want to take people on that journey. We want to show what we do." At @PUArtMuseum, members of the public can view the conservation studios to get an inside look at how conserv…

    Princeton University @Princeton ·
    "We want to take people on that journey. We want to show what we do." At @PUArt…"We want to take people on that journey. We want to show what we do." At @PUArt…
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    What a week for Declan Farmer '20! A few months after winning the 5th-in-a-row Paralympic gold medal with @TeamUSA sled hockey, he won the 2026 ESPY Award for Best Athlete with a…

    Princeton University @Princeton ·
    What a week for Declan Farmer '20! A few months after winning the 5th-in-a-row…
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    Three of the four Fields Medalists announced today by the International Mathematical Union are Princeton alumni: Yu Deng *15, John Pardon '11, who is a former mathematics faculty…

    Princeton University @Princeton ·
    Three of the four Fields Medalists announced today by the International Mathema…

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