PBS NewsHour

Safecast Draws on Power of the Crowd to Map Japan's...

Clip: 11/10/2011 | 10m 51s

Eight months after a tsunami caused a nuclear accident in Japan, ordinary people are using new technology and the power of crowdsourcing to find radiation hotspots. NewsHour science correspondent Miles O'Brien reports from Japan.

Aired: 11/10/11

Rating: NR

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