The Barker Reading Room under the Great Dome has reopened with a new oculus. Starting Feb. 27, it will become a 24-hour study space, with MIT ID access for after hours. David Da He—The Tech May. 9, 2016 Facebook Twitter Reddit Print The Barker Reading Room under the Great Dome has reopened with a new oculus. Starting Feb. 27, it will become a 24-hour study space, with MIT ID access for after hours. David Da He—The Tech