Visitors had the opportunity to explore virtual reality content sponsored by VR@MIT

Photo: Sham Sthankiya

MIT's Department of Urban Studies and Planning sponsored an interactive city-building model workshop.

Photo: Sham Sthankiya

The Media Lab opened its doors to thousands on April 23.

Photo: Sham Sthankiya

MIT Professor Jeffrey Hoffman, former NASA astronaut, gave a lecture titled The Future of Human Spaceflight—for NASA Astronauts and Space Tourists.

Photo: Sham Sthankiya

A young visitor explored the helicopter on Briggs Field.

Photo: Ian MacLellan

Visitors of all ages enjoyed the treats provided by the MIT Alumni Association.

Photo: Chris Welch

Visitors viewed the Memory Matrix, a living monument that explores the possibilities for future heritage creation. The Memory Matrix took the form of a giant screen made of border fences carrying more than 20,000 small fluorescent Plexiglas elements.

Photo: Andy Ryan

Visitors explored the displays and demos in the Media Lab.

Photo: Andy Ryan

Visitors learned about the micro-sized Microwave Atmospheric Satellite (MicroMAS) and Microwave Radiometer Technology Acceleration (MiRaTa), an activity sponsored by Lincoln Laboratory.

Photo: Casey Atkins

Crowds packed the auditorium to hear MIT Professor Maria Zuber's lecture Human Expedition to Mars.

Photo: Casey Atkins

Syncopasian, a co-ed a cappella group that promotes the awareness of Asian pop culture at MIT and the surrounding community, performed in Lobby 7.

Photo: Andy Ryan

Students from the Department of Civil and Environmental Engineering's MEng program taught kids the basics of structural design through skyscrapers built with toothpicks, gumdrops, and mini marshmallows.

Photo: Steve Randolph

The Open House entertained even the youngest of visitors!

Photo: Andy Ryan

The Department of Materials Science and Engineering made "elephant toothpaste"—an explosive experience for all!

Photo: Casey Atkins

Children enjoyed experiencing MIT's wind tunnel.

Photo: Ian MacLellan

Student groups, including MIT's chapter of the National Society of Black Engineers, sponsored activities throughout the day.

Photo: Chris Welch