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PBS News Hour

Online "Hacker" Group Crowdsources Radiation Data for...

Tonight on the NewsHour, science correspondent Miles O'Brien reports on a grassroots group called Safecast that is crowdsourcing data on radiation contamination from locations around Japan. While in Tokyo, he spoke to Hari about his conversations with Safecast workers, Japanese officials and Japanese residents eager for more information about the consequences of the nuclear accident.
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September 18, 2025 - PBS News Hour full episode
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Season 2025 Episode 261
September 18, 2025 - PBS News Hour full episode
September 18, 2025 - PBS News Hour full episode
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Season 2025 Episode 260
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Season 2025 Episode 259
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Season 2025 Episode 258
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Season 2025 Episode 257
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Season 2025 Episode 256
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Season 2025 Episode 255
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Season 2025 Episode 254
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Season 2025 Episode 253
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Season 2025 Episode 252
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Season 2025 Episode 251
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Season 2025 Episode 250
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