Gitanjali Rao

    2005 – Present

    Science
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    Who is Gitanjali Rao?

    Gitanjali Rao (born 2005) is an American inventor and scientist. She created Tethys, a device that detects lead in drinking water, and in 2020 was named TIME magazine's first-ever Kid of the Year.

    A water-testing device beside a glass of tap water, inspired by Gitanjali Rao's invention Tethys
    A water-testing device beside a glass of tap water, inspired by Gitanjali Rao's invention Tethys

    Key Achievement

    TIME's first-ever Kid of the Year for technological innovations

    Her story

    Indian-American inventor and scientist, named TIME's first-ever Kid of the Year at age 15 for inventing technologies to detect contaminated water, diagnose prescription opioid addiction, and prevent cyberbullying, now 18 and continuing innovation.

    Questions people ask about Gitanjali Rao

    What did Gitanjali Rao invent?

    Inspired by the Flint water crisis, she invented Tethys, a portable device that uses carbon nanotube sensors to detect lead in water. She has also created Kindly, an app that uses AI to help spot cyberbullying.

    Why was Gitanjali Rao TIME's Kid of the Year?

    TIME chose her in 2020 for using science and technology to tackle problems such as contaminated water and cyberbullying, and for teaching other young people to innovate.

    What award did Gitanjali Rao win as a child?

    In 2017 she won the Discovery Education 3M Young Scientist Challenge, earning the title 'America's Top Young Scientist'.

    How does Gitanjali Rao inspire other kids?

    She runs innovation workshops for students around the world, sharing her own step-by-step method for finding a problem and building a solution.

    Sources & further reading

    Brass gears and punched cards, the technology behind Babbage's Analytical Engine

    Ada Lovelace

    1815 - 1852

    Mathematics & Computing

    Mathematician recognized as the first computer programmer for her work on Charles Babbage's Analytical Engine. She envisioned computers beyond pure calculation.

    A 1950s low-temperature physics lab, like the one used for the Wu experiment

    Chien-Shiung Wu

    1912 - 1997

    Nuclear Physics

    Experimental physicist who made significant contributions to nuclear physics. Her work disproved the law of conservation of parity, earning others a Nobel Prize.

    Courtyard of the al-Qarawiyyin in Fez, the learning centre Fatima al-Fihri founded

    Fatima al-Fihri

    800 - 880

    Education & Scholarship

    Moroccan scholar who founded the University of al-Qarawiyyin in 859 CE, recognized as the world's oldest existing, continually operating university.