Ari Daniel

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The remarkable way 3D printers are saving lives in refugee camps

Refugee camps are usually seen as scenes of crisis. But a team of innovators wants to change that.

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Gates Foundation

Ahmad's world went dark at age 22 when he was shot across the eyes during the Syrian civil war.

But two years later, a Syrian refugee named Asem came across a startup called Refugee Open Ware, where he learned to build Ahmad a customized echolocation device that fit over his hand.

The device uses vibrations to indicate how close objects are in his environment, and it's helping Ahmad walk on his own again.

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