GS-3, Uncategorized

Telecom Sector: Challenges & Way Forward

Recently, the Supreme Court allowed the Centre's plea to recover Adjusted Gross Revenue (AGR) of about Rs 92,000 crores from the telecom service providers. A three-judge bench, headed by Justice Arun Mishra, upheld the definition of AGR formulated by the Department of Telecommunications. The bench made it clear that there would be no further litigation on the issue and it… Continue reading Telecom Sector: Challenges & Way Forward

GS-3, Science & Tech, Uncategorized

Quantum Supremacy

Recently, Google’s quantum computer, named Sycamore, claimed “quantum supremacy”, as it reportedly did the task in 200 seconds that would have apparently taken a supercomputer 10,000 years to complete. What is “quantum supremacy”? The phrase “quantum supremacy” was coined in 2012 by John Preskill. Quantum supremacy refers to a quantum computer solving a problem that cannot be expected of a classical computer in a normal lifetime. Quantum… Continue reading Quantum Supremacy

GS-3, Science & Tech, Uncategorized

How oxygen levels affect cell metabolism?

Context The Nobel Prize for Physiology or Medicine was awarded to three scientists, William G. Kaelin Jr. from Howard Hughes Medical Institute, Maryland, U.S., Sir Peter J. Ratcliffe from Francis Crick Institute, London, and Gregg L. Semenza from the Johns Hopkins Institute for Cell Engineering for their discovery of how cells sense and adapt to oxygen… Continue reading How oxygen levels affect cell metabolism?

GS-3, Science & Tech, Uncategorized

What are exoplanets, and what is ‘dark’ matter?

What are exoplanets? Since when have people been looking for them? The word planet is a general term that describes any celestial body that moves around a star. Well, there are also “rogue” planets that do not orbit stars. An exoplanet is a planet outside our solar system. It is an extrasolar planet. Nicolaus Copernicus was the… Continue reading What are exoplanets, and what is ‘dark’ matter?

Big Picture, Uncategorized

ISRO test firing Scramjet Rocket Engine.

Introduction The first experimental mission of ISRO’s Scramjet Engine towards realisation of Air Breathing Propulsion System was carried out successfully. It is a new technology which is not available with many countries. India is the fourth country to demonstrate the flight testing of scramjet engine. Many countries have tested a Scramjet but no country has… Continue reading ISRO test firing Scramjet Rocket Engine.

GS-3, Science & Tech, Uncategorized

China launches world’s first quantum communications satellite to develop hack-proof tech

China recently launched the first-ever quantum satellite. The satellite is named “Micius“. Many countries are working on quantum communications, including fiber-optic quantum key distribution networks in the United States, Europe, and China. However, China is the first one to launch a satellite to develop the complex technology. The 500 kg satellite contains a quantum key… Continue reading China launches world’s first quantum communications satellite to develop hack-proof tech

GS-3, Science & Tech, Uncategorized

Cloud technology changing TV ad landscape

The Hindu Issue Geo-targeted advertising. Geo targeting Geo targeting in geomarketing and internet marketing is the method of determining the geolocation of a website visitor and delivering different content to that visitor based on his or her location, such as country, region/state, city, metro code/zip code, organization, IP address, ISP or other criteria. Geo targeted… Continue reading Cloud technology changing TV ad landscape

Editorials, GS-3, Science & Tech, Uncategorized

Enter the superbug?

Article Link Summary: Researchers have found a person in the United States carrying bacteria resistant to antibiotics of last resort. This has caused alarm among public health and infectious disease experts. The person was carrying coli bearing a new gene, mcr-1, which is resistant to even colistin, the last available antibiotic that works against strains… Continue reading Enter the superbug?

Editorials, GS-3, Science & Tech, Uncategorized

Fourth Industrial Revolution

CEOs, political leaders, social entrepreneurs, technologists and other global leaders are all at Davos to further the World Economic Forum’s mission of improving the state of the world. But, the big buzz at the World Economic Forum (WEF) in Davos this year is about the ‘Fourth Industrial Revolution’. What is Fourth Industrial Revolution? As described… Continue reading Fourth Industrial Revolution

Editorials, GS-3, Science & Tech, Uncategorized

Li-Fi: A green avatar of Wi-Fi

Article Link Year 2015 has been all about the introduction of new technologies. Li-Fi has been a buzzword for a few years now and took center stage in 2015. What is Li-Fi? Li-Fi, or light fidelity, invented by German physicist and professor Harald Haas, is a wireless technology that makes use of visible light in… Continue reading Li-Fi: A green avatar of Wi-Fi