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Roger Angel
Iowa, United States
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1 Year as a User
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Last challenge activity
Solar Prize Round 3
The American-Made Solar Prize is a $3 million prize competition designed to acc…
Won $3 million in total prizes, distributed through 3 contest stages (see rules) 506
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Dec. 9, 2019, 9:39 a.m. PST
Solar Prize Round 3
registered for challenge
July 10, 2019, 5:06 p.m. PDT
Solar Prize Round 2
registered for challenge