Jeffrey I. Schiller ’79, network manager for Information Services & Technology, is responsible for helping create and maintain MIT’s computing network.

Identical twins Patrick J. Smadbeck ’09 (behind) and James B. Smadbeck ’09 wrestle in a pool of Jell-O behind Burton-Conner on Sunday evening as part of the West Side Bash for Residence Exploration.

Colleen P. Mosley ’09 and Navine Nasser-Ghodsi ’09 battle it out with their foam weapons during the Residence Exploration West Side Bash on Barry Astroturf Field Sunday evening.

Anthony D. Rindone ’10 drills a mounting hole for the wooden astronaut trainer that residents of East Campus students made for Residence Exploration.

Katherine J. Rahlin ’09 is pulled up the East Campus zip-line before being released at the top. The zip-line, put up for Residence Exploration, stretched north-south on steel cables strung between the parallels.

Noah H. Silverman ’10 dips a sheet of paper in paper-maché solution at East Campus before applying it to the “Trojan Elephant” weapon used in yesterday’s East vs. West Water War.

Roderick R. La Foy ’08 makes measurements in preparation for installing the East Campus two-axis see-saw as (left to right) Olga N. Wichrowska ’09, Katherine J. Rahlin ’09, and Nicholas A. Edelman ’08 look on.

Freshmen (left to right) Matthew G. Escoto ’11, Amanda S. Fried ’11, David B. Feldman ’11, and Kristin D. Kuhn ’11 enjoy waffles and a movie at Simmons’ Waffle Haus Monday at midnight.

Performers from Samba Tremeterra of the Brazilian Cultural Center during Cambridge’s annual Caribbean Carnival International. The parade started 15 years ago as a street fair and has grown to a 1.5 mile route taking it through Cambridgeport, Central Square, and Kendall Square. More information can be found on the Carnival’s Web site, http://www.cambridgecarnival.org/.

Performers from Samba Tremeterra of the Brazilian Cultural Center during Cambridge’s annual Caribbean Carnival International. The parade started 15 years ago as a street fair and has grown to a 1.5 mile route taking it through Cambridgeport, Central Square, and Kendall Square. More information can be found on the Carnival’s Web site, http://www.cambridgecarnival.org/.

Performers from Samba Tremeterra of the Brazilian Cultural Center during Cambridge’s annual Caribbean Carnival International. The parade started 15 years ago as a street fair and has grown to a 1.5 mile route taking it through Cambridgeport, Central Square, and Kendall Square. More information can be found on the Carnival’s Web site, http://www.cambridgecarnival.org/.

Rachel A. Bowens-Rubin ’11 (left) and another freshman ride desk chairs down an underground ramp between Buildings 66 and 68.