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science93guy
Naperville, Illinois, United States
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April 13, 2026, 9:32 p.m. PDT
Crack the Case
registered for challenge
Feb. 16, 2024, 4:34 a.m. PST
Re-X Before Recycling Prize
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Jan. 2, 2024, 1:06 a.m. PST
Cement Decarbonization – CO2 Free Intermediates
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Aug. 30, 2023, 9:54 a.m. PDT
Heliostat Prize
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