Roza Tesfaye, the power electronics engineer at Alcator, works at her station in the control room.

Rows of computer monitors and a massive screen on the rear wall in the control room display crucial data about the tokamak system.

Wiring for the massive alternator, housed in an adjoining building, which provides power to the tokamak during experiments. The alternator, which was donated to the laboratory by Con Edison in 1978 is hooked up to a 75-ton flywheel and provides a peak power of more than 100 megawatts during experiments.

Benjamin D. Hessels ‘14 leaps over a defender in Tuesday’s lacrosse game at Steinbrenner Stadium against the Wentworth Institute of Technology. The Engineers won 9-6 over the Leopards, their second win in the three games so far this season.

James C. Slonaker ’15 strides past a defender in the second half of the game. Slonaker scored four goals against Wentworth in Tuesday’s game.

William M. Kelleher ’15 drives to the goal late in the game Thursday evening. Kelleher made an assist early in the first half.

Meme-related products are displayed for sale at last Friday’s ROFLCon III. Special guests at the “Internet culture conference” included Alan Schaaf, founder of Imgur, and Blake Boston, also known as “Scumbag Steve.”

Student advisory group members gave Reif Brass Rat-style napkin rings as a welcoming gift.

Reif also received a poster-sized hacker’s map, which shows MIT’s underground tunnel network.

Rafael Reif delivered remarks to students Wednesday evening, recounting his lifelong journey starting in Venezuela and culminating in his election to the MIT presidency this morning.