The North Indian Ocean (NIO) is one of the most significant cyclone-producing basins in the world, playing a crucial role in regional climate and weather extremes. It consists of two major cyclone basins: the Bay of Bengal (BoB) located on the eastern side of India and the Arabian Sea located on the western side. Although it contributes only about 6% Continue Reading »

Authors- Ashok Ghildiyal and Ashish Joshi, Indian Institute of Remote Sensing, ISRO Dehradun NOAA weather satellites continuously transmit Automatic Picture Transmission (APT) signals that carry live images of the Earth’s surface. These signals can be received using a software-defined radio (SDR) such as an RTL-SDR dongle, paired with a suitable antenna and decoding software. The NOAA satellites, particularly NOAA-18 and Continue Reading »

Gravitational waves are tiny ripples in spacetime produced when massive objects accelerate, especially during some of the most energetic events in the universe. But what does it truly mean for spacetime itself to “ripple”? How can something so abstract produce measurable physical effects? The concept originates from Albert Einstein’s general theory of relativity (1916), which describes gravity not as a Continue Reading »

In the lush green hills of Northeast India, bamboo is far more than a plant. It is a symbol of culture, a livelihood resource, and increasingly, a natural ally in the fight against climate change. A recent study in Assam’s Dima Hasao district has revealed remarkable insights into how bamboo thrives under human disturbance and a changing climate, painting a Continue Reading »

The Science in Sci-Fi The realm of Sci-Fi transgresses to real science in Andy Weir’s book and its film adaptation “Project hail Mary”. This article explores the various concepts introduced in the movie from an educational perspective. The story begins with the protagonist waking up in a spaceship with no recollection of anything whatsoever. As he tries to make sense Continue Reading »