3-310: Instead of a magical slide to keep boys out, the Margaret Cheney room asks for a code to enter. Harry won’t be hanging out here anymore. Andrew Swayze —The Tech May. 9, 2016 Facebook Twitter Reddit Print 3-310: Instead of a magical slide to keep boys out, the Margaret Cheney room asks for a code to enter. Harry won’t be hanging out here anymore. Andrew Swayze —The Tech