who invented cloud seeding

"It seemed as though the cloud almost exploded," he wrote in a notebook. The first experiments with cloud seeding were conducted in 1946 by American chemist and meteorologist Vincent J. Schaefer, and since then seeding has been performed from aircraft, rockets, cannons, and ground generators. Washington in New Hampshire, Schaefer, Langmuir’s research associate, created a way of experimenting with supercooled clouds using a deep freeze unit of … To preserve these articles as they originally appeared, The Times does not alter, edit or update them. Dropping out of high school to support his family, Schaefer began working for General Electric at 15 and eventually won a transfer from the machine shop to the research laboratory. There were also practical difficulties in controlling the weather. Soon he duplicated the effect from an airplane over Mount Greylock, Mass., using six pounds of dry ice and natural clouds. Nothing happened. Mr. Schaefer went on to become the founder and director of the Atmospheric Sciences Research Center at the State University of New York at Albany. He was hailed as the first person to actually do something about the weather and not just talk about it. TimesMachine is an exclusive benefit for home delivery and digital subscribers. Mr. Schaefer's career began inauspiciously when he dropped out of high school at 15 to support his brothers and sisters as a drill press operator at G.E. On Sunday in Schenectady, N.Y. New L.A. County ‘Safer at Home’ restrictions revealed as COVID-19 surge worsens. During the 1930s, the Bergeron–Findeisen process theorized that supercooled water droplets present while ice crystals are released into rain clouds would cause rain. That same year Bernard Vonnegut, brother of Kurt Vonnegut and colleague of Schaefer, discovered that the process could also be performed with silver iodide (AgI). The only formal education he completed was the Davey Institute of Tree Surgery, where he worked briefly as a landscape gardener. This work, together with Mr. Schaefer's own obsession with snow, set the stage for the cloud-seeding. As coronavirus cases surge, L.A. officials consider new rules that would allow many businesses to remain open but with limited customer capacity. Schaefer went on to found and direct the Atmospheric Sciences Research Center at the State University of New York at Albany. Vincent Schaefer (1906–1993) discovered the principle of cloud seeding in July 1946 through a series of serendipitous events. The Saturday Evening Post noted that after seeding, it was still "difficult to aim a cloud.". At James Bond studio MGM, questions mount about the company’s direction. One hot July day when the freezer was straining to stay cold, he added some dry ice, carbon dioxide. His wife of 57 years, the former Lois Perret, died last year. "Well-trained men wouldn't do the things I do," he said once. On behalf of the General Electric Co, Vincent managed to generate rainfall and, in lab conditions, managed to create a snowstorm. Vincent J. Schaefer, a self-taught chemist who invented cloud "seeding" and created the first artificially induced snow and rainfall, died on Sunday at a hospital in Schenectady, N.Y. He tried sprinkling numerous materials -- talcum powder, household cleanser, sulfur and sand -- hoping they would form the nuclei for snowflakes. Op-Ed: On the COVID frontlines, we’re tired of hearing lame excuses for risky behavior. Hopes grew that cloud seeding could fight drought, control storms, reduce hail, quench forest fires and even guarantee a white Christmas. He developed a system for capturing impressions of snowflakes on a plastic film before they evaporated or melted. Inauspicious Beginning. Although the grander hopes were unrealized, cloud seeding is still done in some countries, and the techniques are also used to clear clouds over some airports. Following ideas generated between himself and Nobel laureate Irving Langmuir while climbing Mt. During the war, they invented several important devices, including gas mask filters, submarine detectors and a machine for generating clouds of smoke to conceal military maneuvers. Schaefer discovered the principle of cloud seeding in July 1946 through a series of serendipitous events. What you do — how we ALL act in the next six weeks — will make the difference between an inconvenient fall and a disaster that will take years to overcome. Yet he soon developed into an important scientific researcher on World War II projects and meteorology. At G.E., he lined a home freezer with black velvet and aimed a light beam at the little clouds of moisture that formed when he breathed inside. Mr. Schaefer also published nearly 300 scientific papers and books. He retired in the 1970's. At G.E., he recalled, "From the beginning I wanted to get into the lab, and kept pestering them until they put me into the model machine shop.". From the ground, Dr. Langmuir watched the snow through binoculars. Vincent J. Schaefer, 87, Is Dead; Chemist Who First Seeded Clouds. This is a digitized version of an article from The Times’s print archive, before the start of online publication in 1996. His ingenuity in working on films only a molecule thick caught the attention of Dr. Irving Langmuir, the Nobel laureate who helped run the lab. Instantly the little cloud turned into tiny ice crystals, caused by the temporary reduction in temperature. Their military research also included the problems of ice on airplane wings and static radio interference and weather projects. He … The inventor of Cloud Seeding, Mr. Vincent Schaefer carried out the first successful experiment of his idea in 1946. But concerns arose about disrupting weather patterns and "stealing" rain. Typical of Mr. Schaefer's knack for simplicity, his prototype for the smoke machine was an oil can, some fuel and an electric hot plate. Later, with Dr. Bernard Vonnegut, the team developed silver iodide for seeding clouds. Vincent J. Schaefer, 87, chemist who invented cloud-seeding to produce rain. The aspiring researcher read hundreds of scientific books. Vincent J. Schaefer, a self-taught chemist who invented cloud "seeding" and created the first artificially induced snow and rainfall, died on Sunday at … ‘Getting worse each day’: 1 in 145 L.A. County residents can infect others with the coronavirus. While researching aircraft icing, General Electric (GE)'s Vincent Schaefer and Irving Langmuirconfirmed the theory. He is survived by a son, James M., of Minneapolis; two daughters, Susan Sullivan of Sudbury, Mass., and Katherine Miller of Golden, Colo.; two brothers, Paul and Carl, both of Niskayuna, N.Y.; two sisters, Gertrude Fogarty and Margaret Allen, both of Albany; seven grandchildren, and one great-grandchild. See the article in its original context from. Now you can see the COVID-19 risk anywhere in the country, in real time. We talk to the experts. Vincent J. Schaefer, 87, chemist who invented cloud-seeding to produce rain. Silver iodide is the most common chemical used in cloud seeding in many regions. After a rebound, the storied studio is facing a string of challenges during the pandemic. Vincent Schaefer, a self-taught chemist who invented cloud seeding and created the first artificially induced snow and rainfall, died Sunday in Schenectady, N.Y. In 1946, he captured world attention during his research on why icy wings interfere with airplane radio signals when he shoved dry ice into a refrigerator and observed ice crystals suddenly forming.

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