Riley Crane

Dec. 11, 2009

DARPA Balloon Hunt Challenge

The challenge: find the geographic coordinates of 10 red weather balloons scattered across the country, as quickly as possible. We'll talk with the winner of the DARPA-sponsored contest.

darpa, social networks, intelligence gathering

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Michael Pollan Talks Plants and Food

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Train Tech

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Mystery Box

Building Bridges From Plastic Shampoo Bottles

A New Jersey company transforms plastic waste into beams sturdy enough to support tanks and trains.

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