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According to the Wall Street Journal, Google is building 4,000 prototype tablets equipped with cameras and sensors that can map the world around them. The prototype is said to be a part of Google's Project Tango efforts.

Details of Project Tango were first unveiled in February when Google announced a prototype 5-inch smartphone that can create a three-dimensional map of its user's surroundings through a bevy of cameras and infrared sensors. The device featured a 4-megapixel camera, an image tracking camera and a combined RGB and infrared sensor, through which it could create an accurate 3D rendering of real-world space and objects.

Google sent out 200 of these prototype units to developers so that they can build tailored apps for the device. The search giant is said to take a similar approach with the prototype 7-inch tablet, which will reportedly be distributed to devs ahead of the annual I/O conference in June.

The tablet will feature similar hardware as the prototype smartphone and will include infrared depth sensors, two back-mounted cameras, and "advanced software that can capture precise three-dimensional images of objects," according to sources familiar with the matter. Between Project Tango, Google Glass and the self-driving cars initiative, Google is actively looking to new technologies to solve real-world problems.

Source: Wall Street Journal (subscription required), Via: Engadget