Delhi's recent attempt to combat its suffocating smog through cloud seeding failed to produce any measurable rainfall. This trial, the first in 53 years, was a joint effort by the Delhi government and IIT-Kanpur. It involved flying a Cessna aircraft over parts of the city, including Burari and Mayur Vihar, releasing chemical flares into the clouds. However, the weather department reported no rainfall in Delhi itself. So, why did the experiment fail to deliver the much-needed rain?