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In a darkened, hangar-like space inside MIT’s Building 41, a small, Roomba-like robot is trying to make up its mind. Standing in its path is an obstacle — a human pedestrian who’s pacing back and forth. To get to the other side of the room, the robot has to first determine where the pedestrian is, then choose the optimal route to avoid a close encounter. As the robot considers its options, its “thoughts” are projected on the ground: A large pink dot appears to follow the pedestrian — a symbol of the robot’s perception of the pedestrian’s position in space. (1)

We build things.
Then we name things.
Then we imagine what we made and named is similar to something else we have named similarly.

The circle of knowledge seems too arbitrary to be true.

Or perhaps it is true because it is arbitrary.

Like the world’s reality we live in…