A pan of boiling water, showing air bubbles rising to the surface. Viewed against a white background, the blue flame of the stove and the steam billow


A pan of boiling water, showing air bubbles rising to the surface. Viewed against a white background, the blue flame of the stove and the steam billowing off the surface appear invisible.


Size: 5446px × 3642px
Photo credit: © MARTIN DOHRN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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