Geopolitics

The defence equipment held by Indian defence forces is 50% obsolete, the proportion of state-of-the-art equipment also needs to double from current 15% to 30%. This justifies the huge requirement of new systems. Ongoing projects include submarine building, advance early warning aircraft, Rafale fighters, missiles, missile shields, aerostat radars, all of …

An unmanned ground vehicle (UGV) is a vehicle that operates while in contact with the ground and without an onboard human presence. Generally, the vehicle will have a set of sensors to observe the environment, and will either autonomously make decisions about its behavior or pass the information to a …

Electronics has revolutionized our society by providing many devices e.g. laptops, palm pilots, digital cameras, household robots, etc. Every electronic system or device needs electric power to operate, whether it is from  walled AC supply or a battery. This electric power cannot be stored infinitely in any rechargeable device like …

More than 248 million people have been reported to be infected by the novel coronavirus globally and 5 million have died, according to a Reuters tally.   From herpes and legionnaires’ disease in the 1970s, to AIDS, Ebola, the severe acute respiratory syndrome (SARS), and now Covid-19, contagious diseases continue …

Ship detection for offshore production operations, military activities, transportation and other marine applications is very important. Submarine is one of the most important weapon in modern wars. strategic submarines seem to be key to strategic stability, providing what is generally believed to be the most survivable nuclear second-strike force.   Anti-submarine …

Indian Ocean has always been vulnerable to criminals and anti-national activities. The Indian Ocean is an area of conflict. According to a recent analysis of global conflicts by the Heidelberg Institute for International Conflict Research, altogether 42% of world conflicts can be associated with Indian Ocean countries. Numerous cases of the …

The Global Positioning System (GPS), is a global navigation satellite system (GNSS) that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. Each one transmits information about its position and …

Stealth technology has proven to be one of the effective approaches to enhance the survivability of Aircrafts. Aircraft/helicopter designers are making them stealthier by reducing their signatures; viz. visual, aural, infrared (IR), and RADAR cross section. Advancements in stealth technologies, as demonstrated by the very low RCS of stealth aircraft …

“Climate change is an urgent and growing threat to our national security, contributing to increased natural disasters, refugee flows, and conflicts over basic resources like food and water. The present day effects of climate change are being felt from the Arctic to the Midwest. Increased sea levels and storm surges …

Quantum key distribution (QKD) uses quantum mechanics to guarantee secure communication. It enables two parties to produce a shared random secret key known only to them, which can then be used to encrypt and decrypt messages. QKD is said to be nearly impossible to hack, since any attempted eavesdropping would …