Green Hydrogen TOPIC: Science & Tech Context- Experts say ‘natural gas pyrolysis’ could be a good interim solution before green hydrogen from water electrolysis becomes economically viable. Concept- Natural Gas Pyrolysis: Pyrolysis is defined as a process of temperature decomposition of organic material in the absence of oxygen, Pyrolysis of natural gas is […]
Chemistry Nobel for development of lithium-ion batteries TOPIC: Science & Tech Context- An American physicist, a British-American chemist and a Japanese chemist on October 9, 2019, won the Nobel Prize in Chemistry 2019 “for the development of lithium-ion batteries. Concept- About Lithium Ion Batteries: A lithium-ion battery or Li-ion battery is a type […]
Milky Way’s supermassive black hole exploded 3.5 million years ago: Study TOPIC: Science & Tech Context- The black hole, known as Sagittarius A, or Sgr A* (pronounced Sagittarius A-star) — about 4.2 million times more massive than the Sun — exploded due to nuclear activity, according to a team of scientists at Australia’s […]
QUANTUM SUPREMACY TOPIC: Science & Tech. Context- Google and IBM are at odds over ‘quantum supremacy’. Google claims to have demonstrated something called “quantum supremacy”, in a paper published in Nature. But a team from IBM has published their own paper claiming they can reproduce the Google result on existing supercomputers. Concept- Quantum […]
CHERNOBYL NUCLEAR DISASTER TOPIC: Science & Tech Context- Russian troops seize control of Chernobyl nuclear disaster site. Concept- Chernobyl Disaster: On April 26, 1986, the Chernobyl Nuclear Power Plant in today’s Ukraine faced a fore explosion. The reactor began to emit radioactive materials. Though, the casualties are minimal, the radioactive materials are still […]
P-8I- the Indian Navy’s frontline multi-mission aircraft TOPIC: Science & Tech Context- Aviation and defence colossus Boeing delivered India’s 12th maritime surveillance and anti-submarine warfare P-8I aircraft on February 24. Concept- About P-8I Aircraft: It is a long-range Maritime Reconnaissance and Anti-Submarine Warfare It is an Indian variant of the P-8A Poseidon aircraft […]
FASTING & CALORIE RESTRICTION FOR HEALTHY LIFESPAN TOPIC: Science & Tech Context- A study of data from 186 countries in the journal The Lancet revealed that obese people now out number underweight individuals. Concept- Fasting versus CR: Fasting Calorie Restriction Fasting is the willful refrainment from eating and sometimes drinking. There are several […]
TIME DILATION TOPIC: Science & Tech Context- In a feat of measurement science, physicists, publishing in Nature, have shown that two tiny atomic clocks placed a millimeter away from each other tick at different rates. Concept- About Time Dilation: Time dilation is a phenomenon predicted by Albert Einstein It refers to the stretching […]
How Fish swim? TOPIC: Science & Tech Context- In a new study, researchers at the Harbin Engineering University in China have unravelled the mechanism that drives the fish forward while swimming. Concept- Through precise control of body fluctuations, pressure fields are created in the form of movable vortex pairs of high and low […]
INDIA- JAPAN MILITARY EXERCISE TOPIC: Science & Tech Context- India-Japan joint military drill begins in Belagavi on Sunday. Concept- Dharma Guardian exercise: Indian and Japanese armies to start their annual Dharma Guardian exercise in Karnataka over the weekend. The exercise will begin on February 27 and go on till March 10 at the […]