An inflatable plastic ball — the Zorb — maneuvered by a person inside, rolled around Lobby 7 Wednesday evening. Mechanical engineering professor Alex Slocum ’82 said he brought out the Zorb, which was emblazoned with MIT’s logo, for fun.

Bruno B. F. Faviero—The Tech

An inflatable plastic ball — the Zorb — maneuvered by a person inside, rolled around Lobby 7 Wednesday evening. Mechanical engineering professor Alex Slocum ’82 said he brought out the Zorb, which was emblazoned with MIT’s logo, for fun. Bruno B. F. Faviero—The Tech