Ionisation of the air in cloud chambers does demonstrate increase formation of cloud condensation nuclei but it is not clear that in the actual atmosphere in the presence of natural CCN this effect will manifest itself in any significant changes. (illconsidered.blogspot.ru)
Twisting, knotted masses of aluminum, stapled together, converge to become Merz's famous Living Sculpture (1966), which hugs the ceiling like a metallic formation of clouds. (artreview.com)
For Stieglitz, the abstract forms and formations of clouds perfectly equated to the modern idea of equivalence, holding that abstract forms, lines, and colors could represent and evoke universal inner human states, emotions and ideas — a powerful notion which numerous later photographers recognized and emulated. (brucesilverstein.com)