Explorable Explanations
A collection of interactive lessons—games that teach—featuring the work of Bret Victor, Nicky Case, and more (the site is put together by Nicky Case).
Tags: portal
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The Secret Door - Step Through To The Unknown… | Safestyle UK
Prepare to lose yourself for hours as you keep hitting “take me somewhere else” through these most bizarre and wonderful Google street view locations.
Strassenblickfernweh indeed.
Mario Portals Test 3 - YouTube
What if Mario had a portal gun?
Portal Me
A person-specific portal generated using Google's Social Graph API. And it's less than 5K!
A Day in the Life of a Turret » The Leet World
Portal machinima.