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  • Cookies with lock

    Welcome to Cookies: Tech Security & Privacy

    Technology has transformed our lives, but there are hidden tradeoffs we make as we take advantage of these new tools. Cookies, as you know, can be a tasty snack – but they can also be something that takes your data.

  • Four researchers in a cold tube.

    The multiple benefits of a world without air conditioning

    To demonstrate the effect of radiant cooling, Forrest Meggers, assistant professor of architecture and the Andlinger Center for Energy and the Environment, and a team of researchers built a “Cold Tube,” in Singapore last year

  • Glowing green image of a tiger face

    Flipping light on-off turns bacteria into chemical factories

    Working in E. coli, the workhorse organism for scientists to engineer metabolism, researchers developed a system that uses light to control one of the key genetic circuits needed to turn bacteria into chemical factories that produce valuable compounds such as the biofuel isobutanol.

  • Illustration by Matilda Luk, Office of Communications

    Princeton Online Tutoring Network helps bridge educational gaps for K-12 students

    Since the launch of the Princeton Online Tutoring Network, volunteer tutors from the University community have led more than 600 virtual tutoring sessions with K-12 students from underrepresented groups.

  • Neon blue and green image representing quantum computing.

    Engineering faculty play major role in $115 million quantum science center

    Princeton University will have a major leadership role in one of the five new multi-institution centers for the advancement of quantum science research announced by the U.S. Department of Energy.

  • World map, nighttime, showing lights on to demonstrate energy use

    Tough, timely and team-driven: 50 years of energy research

    For a half-century, Princeton faculty members have been tackling critical environmental problems involving energy systems and decarbonization.

  • Electronic chip has lights that blink different colors

    Controlling heat opens door for next-generation lighting and displays in perovskite LEDs

    A team of Princeton researchers have significantly improved the stability and performance of a promising new materials for brighter, less expensive, more sustainably produced LEDs. The trick was carefully managing the heat generated by the LEDs.

  • Computer screenshot showing eight people

    Entrepreneurship in a pandemic: eLab program shows the power of pivots

    The six startups participating in this year's eLab Summer Accelerator, as well as the staff of the program itself, scrambled to remake their organizations during the pandemic. Their success suggests a new model for entrepreneurship, says one of the programs mentors.

  • Oil painting of stone tower

    Machine learning reveals role of culture in shaping meanings of words

    According to a machine learning analysis of dozens of languages conducted at Princeton University, the meaning of words does not necessarily refer to an intrinsic, essential constant. Instead, it is significantly shaped by culture, history and geography.

  • Time-lapse microscope movie of changes in a cell when blue light is turned on

    New tools catch and release cellular targets at the flip of a light switch

    A Princeton team has developed a class of light-switchable, highly adaptable molecular tools with new capabilities to control cellular activities. The antibody-like proteins, called OptoBinders, have potential applications including protein purification, the improved production of biofuels, and new types of targeted cancer therapies.