Fully operational Portal turret
When the player takes a photo I duplicate the environment, make it greyscale and slice the meshes to remove anything outside the photo. When they place it into the world I slice the environment's meshes to make a hole for the photo.
Here's what happens when you photograph half a crate...
Portal meets Grand Theft Horse
Portal for Apple ][
While attempting to travel to the future to get a copy of Portal 3. I accidentally traveled to alternate-1987 and obtained a copy of Portal 1 for the Apple II!
In actuality I originally just planned to do the end credits. But the Apple II high-res mode has the perfect Aperture Science orange and blue colors, and one thing led to another...
Crushed between two portals experiment
Prototype Companion Cube, 1980
The RPR Float Table elastically deforms and stabilizes when force is applied. It is a matrix of "magnetized" wooden cubes that levitate with respect to one another. The repelling cubes are held in equilibrium by a system of tensile steel cables.
The tables are acclaimed for their capricious, yet sturdy disposition.
Previously, previously, previously, previously, previously, previously, previously, previously, previously, previously, previously.
Now you're thinking with robots. And projection mapping.
Warren Buffett on Companion Cubes
The 170,000 metric tons of gold "will be unchanged in size and still incapable of producing anything," he wrote. "You can fondle the cube, but it will not respond."
The Enrichment Center reminds you that the Weighted Companion Cube will never threaten to stab you and, in fact, cannot speak. In the event that the Weighted Companion Cube does speak, the Enrichment Center urges you to disregard its advice.