the Doctor Who (1963–present) television series on top of Baxter Hall at Caltech. A few months later, Caltech students collaborated to help MIT students place the TARDIS on top of their originally planned destination. The rivalry has continued, most recently in 2014, when a group of Caltech students gave out mugs sporting the MIT logo on the front and the words "The Institute of Technology" on the back. When heated, the mugs turned orange and read, "Caltech, The Hotter Institute of Technology".
=== Activities ===
MIT has over 500 recognized student activity groups, including a campus radio station, The Tech student newspaper, an annual entrepreneurship competition, a crime club, and weekly screenings of popular films by the Lecture Series Committee. Less traditional activities include the "world's largest open-shelf collection of science fiction" in English, a model railroad club, and a vibrant folk dance scene. Students, faculty, and staff are involved in over 50 educational outreach and public service programs …
