5 January 2018

What is LIDAR?

What is LIDAR?
LIDAR, which stands for Light Detection and Ranging, is a remote sensing method that uses light in the form of a pulsed laser to measure ranges (variable distances) to the Earth. These light pulses—combined with other data recorded by the airborne system— generate precise, three-dimensional information about the shape of the Earth and its surface characteristics.
Types: Two types of LIDAR are topographic and bathymetric. Topographic LIDAR typically uses a near-infrared laser to map the land, while bathymetric lidar uses water-penetrating green light to also measure seafloor and riverbed elevations.
Applications: LIDAR systems allow scientists and mapping professionals to examine both natural and manmade environments with accuracy, precision, and flexibility. Scientists are using LIDAR also to produce more accurate shoreline maps, make digital elevation models for use in geographic information systems, to assist in emergency response operations, and in many other applications.

...............Bharatiya Nirdeshak Dravya (BND-4201):
What is it? It is India’s first home-grown high purity gold reference standard. It was launched recently. It is the reference material for gold of ‘9999’ fineness (gold that is 99.99% pure). It will be beneficial to the consumers and public at large to ensure purity of gold.
Benefits of the new standard: Once the BND’s of other purity gold are made available in the market, jewellers will move towards more instrumental methods rather than the conventional fire assay methods for testing, which are not only time consuming but also not environment friendly as poisonous gases are released. Gold reference standard is indispensable in gold and jewellery hall marking. This will also be useful for Collection and Purity Testing Centres to certify the purity of gold deposits under the gold monetisation scheme.

About e- HRMS:
What is it? It is an online platform for central government employees to apply for leave and access their service-related information.
Benefits for employees: With launch of e-HRMS, employees will be able to not only see all their details with respect to service book, leave, GPF, salary, etc. but also apply for different kind of claims/reimbursements, loan/advances, leave, leave encashment, LTC advances, tour etc. on a single platform. They will also be able to track status and match details instantly.
Benefits for the government: Availability of centralized data will enable Government for policy research and planning as such educational qualifications and other competencies and deficiencies may be easily obtained. It will enable Government to take transfer and posting decisions more pragmatically based on reliable first hand data.
,,,,,,,,,,,,,,,,,,,,,,,,,,,,What is Anti-smog gun?
Anti-smog gun is a device that sprays atomised water into the atmosphere to reduce air pollution. Connected to a water tank and mounted on a vehicle, the device could be taken across the city to spray water to settle dust and other suspended particles.
How it operates?
The fog cannon, also dubbed as the ‘anti-smog cannon’, comprises a cylindrical drum with a tank to store water and a high-velocity exhaust fan. The water is pumped from the tank to the exhaust fan which blows out water in the form of micro droplets. The theory is that the sprayed water will cling on to the pollutants — particularly particulate matter PM2.5 and PM10 — and wash it down creating the effect of rain. The current trials will be used to find if the theory holds true.
,,,,,,,,,,,,,,,,,,,,India’s first design university ‘World University of Design’ opens campus:
India’s first and only Design University – World University of Deisgn has opened it’s campus at Sonipat, Haryana. The University has International Collaborations with foreign Universities like UWS University of West Scotland, VFS the Vancouver Film School, and IAAD the Italian University of Design
Country’s first AC suburban local train in Mumbai:
The Indian Railways has flagged off the country’s first air-conditioned suburban local train for Mumbai commuters, 150 years after the first suburban local was hauled by a steam engine in 1867. Manufactured by the Integral Coach Factory, Chennai, the fully air-conditioned air-suspension coaches have a capacity of carrying nearly 6,000 commuters per rake, automatic door opening-closing system, LED lights, Emergency Talk Back System between commuters and guard besides a public address system and advanced GPS-based passenger information systems.
About National Company Law Tribunal:
What is it? National Company Law Tribunal (NCLT) is a quasi-judicial body that will govern the companies in India. It was established under the Companies Act, 2013 and is a successor body of the Company Law Board.
Powers: NCLT will have the same powers as assigned to the erstwhile Company Law Board (which are mostly related to dealing with oppression and mismanagement), Board for Industrial and Financial Reconstruction (BIFR)(revival of sick companies) and powers related to winding up of companies (which was available only with the High Courts).
Background: The setting up of NCLT as a specialized institution for corporate justice is based on the recommendations of the Justice Eradi Committee on Law Relating to Insolvency and Winding up of Companies.

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