Graphene
Graphene: Graphene is a single layer (monolayer) of carbon atoms arranged in a honeycomb-like pattern. It is the building-block of Graphite, but […]
S&T for Prelims
Prelims
Zika – UPSC Prelims
Zika virus Disease is mosquito-borne virus transmitted by Aedes aegypti mosquitoes which also transmit three other vector-borne diseases Chikungunya, dengue
Prelims
Blockchain technology – UPSC Prelims
Blockchain Technology: It is a decentralised digital ledger that records transactions on thousands of computers globally in such a way
Prelims
Pinaka – UPSC Prelims
Unguided Pinaka (Old Version): Pinaka is an unguided rocket weapon area system (WAS) with a range of 40 km. It
Prelims
Project 75 – UPSC Prelims
Under Project 75, six Scorpene submarines are being built with assistance and technology transfer from DCNS of France under deal
Prelims
Smart Anti-Airfield Weapon (SAAW) – UPSC Prelims
Smart Anti-Airfield Weapon(SAAW): It is a long-range precision-guided anti-airfield weapon developed by DRDO’s Research Centre Imarat (RCI) Hyderabad. The weapon is
Prelims
Space Junk (Kessler Syndrome)
Space Junk (Kessler Syndrome): More than 5 decades of human space exploration since the first Soviet-launched Sputnik satellite in 1957