Researchers at UC Berkeley have developed a laser backpack that scans its surroundings and creates an instant 3D model.

It can make video games more realistic and buildings more energy efficient. They are driving to discover a model of the whole world.

"Here’s a model of two floors of Corey Hall," says Professor Zakhor. "This is the fourth floor and this is the third floor."

It is the first model of an existing building, generated automatically, without human intervention. It is the work of a Cal Berkeley team led by Professor Avideh Zakhor.

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