Dr Rajiv Desai
An Educational Blog
Cloud Seeding
Cloud Seeding: _ _ Section-1 Prologue: In the 1956 movie The Rainmaker, Burt Lancaster plays a con man catering to the dreams of spinster Katharine Hepburn. And while both stars triumph in the end — the rain does fall, and she comes out of her shell. In Hindu tradition, mortals prayed and performed elaborate rituals to please Indra, the god of rain. Legend has it that musician Tansen’s melodious voice could summon showers from cloudless skies. Humans have long sought to purposefully alter such atmospheric phenomena as clouds, rain, snow, hail, lightning, thunderstorms, tornadoes, hurricanes, and cyclones. The modern era of scientific weather modification began in 1946 with work by Vincent J. Schaefer and Irving Langmuir at the General Electric Research Laboratories in Schenectady, N.Y. Schaefer discovered that when dry ice (frozen carbon dioxide) pellets were dropped into a cloud composed of water droplets in a deep-freeze box, the […]
The Enigma of COVID-19:
The Enigma of COVID-19: _____ Caveat: Medicine is an ever-changing science. As COVID-19 pandemic is continuing worldwide, new research and clinical experience broaden our knowledge and necessitates changes in prevention and treatment. I have quoted sources believed to be reliable in their efforts to provide information that is complete and generally in accord with the standards accepted at the time of publication of this article. However, in view of the possibility of human error or changes in medical sciences, readers are encouraged to confirm the information contained herein with other sources. ______ Prologue: An epidemic happens when a disease spreads between large numbers of people in a short period of time. When an epidemic goes global, it is called a pandemic. The 1918 influenza pandemic was the deadliest event in human history (50 million or more deaths, equivalent in proportion to 200 million in today’s global population). […]
