A man pours liquid nitrogen into a beaker at a radiocarbon laboratory in Boulder, Colorado.

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Laboratory Manager Chad Wolak pours liquid nitrogen into a beaker at the Laboratory for AMS Radiocarbon Preparation and Research, Institute for Arctic and Alpine Research in Boulder, Colorado. The lab performs state-of-the-art radiocarbon preparation and measurement services.

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Size: 5616px × 3744px
Location: Boulder,Colorado,USA
Photo credit: © Ethan Welty / Alamy / Afripics
License: Royalty Free
Model Released: No

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