Cloud-seeding

Scientists used solid carbon dioxide to induce ice crystals and create a miniature snowstorm, exploring the possibility of cloud-seeding. This method, however, proved impractical as its success depended heavily on existing weather conditions.
 Schaefer United States 1946 Cloud-seeding

Scientists used solid carbon dioxide to induce ice crystals and create a miniature snowstorm, exploring the possibility of cloud-seeding. This method, however, proved impractical as its success depended heavily on existing weather conditions.