Vishal Kumar Prajapati on Instagram: "WindBorne Systems has developed lightweight “Global Sounding Balloons” (GSBs) that stay aloft for weeks—collecting 30–50 times more data than conventional weather balloons. Each balloon weighs less than two kilograms and uses a 20-micrometre-thin transparent film envelope; it navigates by releasing sand to rise or venting gas to descend among wind layers.The data from these balloons feed the AI model “WeatherMesh”, enabling significantly improved forecasts a