science and tech

Electroencephalography (EEG), Advantages, Applications and Limitations

Context: This year marks the centenary of the first human EEG. What is Electroencephalography (EEG)? Electroencephalography (EEG) is a diagnostic method used to record electrical activity in the brain via electrodes placed on the scalp. It is a vital tool...

IIT-M Team Made Mineral Nanoparticles with Water Droplets

Context: Researchers from the Indian Institute of Technology, Madras (IIT-M) have unveiled a method to break down common minerals into nanoparticles using water microdroplets. Microdroplets and Its Significance Microdroplets are tiny water droplets, a thousandth the size of a raindrop....

ISRO’s plans to venture into Planetary Defence System

Context: The Indian Space Research Organisation (ISRO) has shown interest in exploring the asteroid Apophis during its close approach to Earth at a distance of 32,000 km in 2029. About Apophis Discovery and Initial Threat: Apophis was discovered in 2004...

Regenerative Braking in Electric Vehicles, Advantages and Disadvantages

Context: Regenerative braking is a crucial mechanism in electric vehicles that enhances their energy efficiency. What is Braking? Definition: Braking is the mechanism that slows down a moving vehicle by removing kinetic energy. Disc Brake: Mechanism: Brake pads press against...

Scientific Deep Drilling, Challenges and Drilling Technique

Context: The Borehole Geophysics Research Laboratory (BGRL) is drilling a 6-km deep hole in the Koyna-Warna region. About Borehole Geophysics Research Laboratory (BGRL) Located in Karad, Maharashtra, BGRL is India’s only scientific deep-drilling program under the Ministry of Earth Sciences....

African Swine Fever (ASF), Symptoms, Transmission and Prevention

Context: A recent outbreak of African Swine Fever has been reported in Thrissur, Kerala. African Swine Fever (ASF) African Swine Fever is a highly contagious viral disease affecting both domestic and wild pigs. The causative agent of African Swine Fever...

ISRO Bharatiya Antariksh Hackathon 2024

The Indian Space Research Organisation (ISRO) has announced the Bharatiya Antariksh Hackathon (BAH) as part of the celebrations for National Space Day 2024 (NSpD). This hackathon is set to engage the brightest minds in India by focusing on 12 problem...

Pushpak – ISRO’s Reusable Launch Vehicle third successful Landing Demonstration

Context: The Indian Space Research Organisation (ISRO) accomplished the third landing experiment of the Reusable Launch Vehicle (RLV LEX-03) named ‘Pushpak’. Pushpak - ISRO's Reusable Launch Vehicle Pushpak is India’s futuristic Reusable Launch Vehicle. Inspiration: The rocket's name is inspired...

Warfare in Cyberspace, Challenges and Mitigation Strategies

Context: Chief of Defence Staff General Anil Chauhan released India’s first joint doctrine for cyberspace operations during a meeting of the Chiefs of Staff Committee. About Cyberspace Warfare Cyberspace warfare: It involves cyber-attacks by state or non-state actors that pose...

H5N1 Virus, Impact, Reasons Behind Spread of H5N1 in India

Context: Since 2020, a highly pathogenic avian influenza, H5N1, has been affecting birds worldwide, with more than 80 countries reporting infections as of December 2023. Highly pathogenic avian influenza (HPAI) H5N1 strain has been affecting cattle across several States in...