Hyperloop
What is Hyperloop Technology? Theoretical concept of hyperloop is mooted by maverick techno-entrepreneur Elon Musk in 2013. Hyperloop technology promises to move people and goods through low-pressure tubes far faster than commercial air travel, within earthly confines, of course. In hyperloop transportation, custom-designed capsules or pods are expected to zip smoothly through continuous steel tubes which are […]
5G Technology
Essentially, 5G is a set of technical ground rules. They define the workings of a cellular network, including the radio frequencies used and how various components like computer chips and antennas handle radio signals and exchange data. What are the advantages? Speed – The speed depends on where one is, and which wireless services is used. […]
Optoelectronics
Optoelectronics is the study and application of electronic devices and systems that source, detect and control light, usually considered a sub-field of photonics. In this context, light often includes invisible forms of radiation such as gamma rays, X-rays, ultraviolet and infrared, in addition to visible light. Materials such as tungsten diselenide (WSe2) and molybdenum diselenide […]
Artificial gravity
A team from the University of Colorado is working on making a device which could create artificial gravity in space Artificialgravityis a force that simulates the effect of gravity in a spaceship. It is not caused by the attraction to the Earth but is instead caused by acceleration or centrifugal force. Artificial gravity or rotational gravity is thus the appearance of […]
Short Wave Transmission
Prasar Bharati has asked All India Radio to come up with a proposal to phase out Short Wave (SW) transmitters. About SW: Shortwave radio is radio transmission using shortwave radio frequencies, the range always includes all of the high frequency band (HF), and generally extends from 3-30 MHz (10 to 100 meters), above the medium […]
INDIA REGISTERED A TOTAL OF 826 FATALITIES AND 26,917 CASES
Why in news? The death toll due to COVID-19 continued to rise on Sunday, with the country registering a total of 826 fatalities and 26,917 cases. 5,913 people have recovered, with a recovery rate of 21.9%. The doubling rate had been showing regular improvement and stood at 10.5 days when seen over a period of […]
FIRST-EVER DIGITAL GEOLOGICAL MAP OF MOON
Why in news? The first ever digital, unified, global, geological map of the moon was released virtually by the United States Geological Survey (USGS), National Aeronautics and Space Administration (NASA) and the Lunar Planetary Institute on April 22, 2020. Details Data from recent satellite missions to the moon and resources data from NASA’s Apollo Missions […]
PANDEMIC IS CHINA’S BIGGEST CRISIS SINCE TIANANMEN
Challenges the Party had to face? The global financial crisis in 2008-2009 was a big challenge for China. They got through that through a massive stimulus programme. The COVID-19 Crisis is probably the longest downturn for China post-Tiananmen or maybe since the late seventies. They now have a sort of global political crisis or global […]
PANDEMIC WILL DEEPEN JOB AND LIVELIHOOD CRISIS OF MIGRANTS
Why in news? Migrant workers, who constitute about 50% of the urban population and many of whom are engaged in what are called “3D jobs” (dirty, dangerous and demeaning) are likely to face job and livelihood crisis owing to COVID-19 pandemic, according to findings of a research. Details of how grave the situation is? The […]
QUICK NOD LIKELY FOR CHINA INVESTMENTS
Why in news? The Centre plans to fast track the review of some investment proposals from neigbouring countries such as China following concerns new screening rules could hit plans of companies and investors. Background To avoid opportunistic takeovers during the coronavirus (COVID-19) outbreak, India said this past week that all foreign direct investment from countries […]