Under this system, a transaction is stored online as a ‘block’. When the transaction is verified, it gets added to a chain of blocks. The transaction is considered complete only when it is verified by a certain number of computers on a network. New transactions add to the existing block chain in a chronological manner.... Continued.
India joins Europe’s Copernicus project India has joined Europe’s mega global arrangement of sharing data from Earth observation satellites, called Copernicus. What is the agreement? Data from a band of Indian remote sensing satellites will be available to the European Copernicus programme while designated Indian institutional users will in return get to access free data... Continued.
A new way to measure Kilogram From 2019 onwards, the kilogram will get more accurate. The new artefacts ought to derive from the constants of nature that are all interdependent. The kilogram was the only one among the units still pegged to a real object. What Was the Earlier Measure of Kilogram? For 125 years,... Continued.
The future of 5G networks may be in place by 2020 5G in 2020 Government of India is aiming to commercially introduce 5G services in the country by the end of 2020, almost in line with rest of the world. 5G is the next generation of mobile Internet connectivity that would offer much faster and... Continued.
Radio Frequency Identification (RFID) tags RFID is a form of wireless communication that uses radio waves to track and identify objects. For instance, all the grocery items within your cart with RFID tag can be simultaneously put under a scanner. The RFID tags, on all the items in your cart, communicate with an electronic reader... Continued.
Farthest object ever visited: Ultima Thule Ultima Thule is the most distant object ever visited. It is visited by NASA’s New Horizons spacecraft. The object Ultima Thule is officially named (486958) 2014 MU69. It is located in the Kuiper Belt. This belt is in the outer Solar System (beyond Neptune) and it consists of small... Continued.
NASA’s InSight spacecraft lands on Mars NASA’s unmanned lander, called InSight, landed on Mars in Nov. 2018. It is the eighth successful landing on Mars in NASA’s history. What is the objective of InSight? It is designed to identify and analyse quakes and tremors of Mars in order to gain knowledge about Planet’s formation and... Continued.
India’s heaviest communication satellite GSAT-11 launched GSAT-11 was launched from French launch vehicle Ariane 5 which lifted off from Kourou Launch Base, French Guiana. Ariane 5 is operated by Arianespace. About GSAT-11 GSAT-11 is Indian Space Research Organisation’s heaviest and most-advanced high through put communication satellite. What is the purpose of launch? The 5,854-kg GSAT-11... Continued.
Moon Landings and Where do nation’s stand? A Moon landing is the arrival of a spacecraft on the surface of the Moon. This includes both manned and unmanned (robotic) missions. First Landing Soviet Union’s Luna 2 became the 1st spacecraft to land on the moon’s surface on 13th Sept. 1959. In 1968, NASA’s Apollo 8... Continued.
On January 3, 2019 China’s Chang’e-4 lunar rover made the first-ever soft landing on the far side of the moon. This is the first time an attempt is made to explore the far side of the moon. The rover sent back close-up images of the previously unexplored region. The other side of the moon, which... Continued.