Robert A. Habib ’11 hits a backhand to help the Engineers’ in their decisive 9-0 win over the University of Massachusetts Boston on Wednesday evening at the duPont Tennis Courts.

Seen around 3:30 a.m. on Thursday morning, William D. McKenna ’08 of the campus art group Cracked sleeps in the Wiesner Student Art Gallery as part of a performance art project.

On Wednesday, the Picower Institute for Learning and Memory was evacuated due to the accidental triggering of a sprinkler system during construction on the sixth floor. The flooding reached the ground floor, puddling in the lobby near the main entrance of the building.

On Sept. 23, workers applied devices for reducing the buildup of snow and ice to the flat tops of windows that jut out from the Stata Center. MIT is currently suing architect Frank Gehry over the design of the building, after experiencing “persistent leaks” and “poor drainage.”

Boats sail on the Charles River as the sun sets last Saturday evening. Last weekend was a three-day holiday for students.