. "*"@en . "Aperture Science Hard Light Bridge"@en . "Hard Light Bridge"@en . . . . . . . . "The Aperture Science Hard Light Bridge is a testing element in Portal 2 that is used throughout the Aperture Science Enrichment Center. This testing element was originally unofficial as it was introduced in Portal: Still Alive, but later made official when it was implemented to Portal 2."@en . "Translucent surface"@en . . . "The Aperture Science Hard Light Bridge is a testing element in Portal 2 that is used throughout the Aperture Science Enrichment Center. This testing element was originally unofficial as it was introduced in Portal: Still Alive, but later made official when it was implemented to Portal 2."@en . "* GLaDOS\n* Chell\n* ATLAS and P-body"@en . . . . . . . .