LIDAR Current Affairs
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Indian archaeologists are planning to use Light Detection and Ranging (LIDAR) technology to survey the archaeological evidence, flora and fauna in the ancient Rajgir hills in Bihar.
The LIDAR devices mounted on drones or on helicopters will be deployed as part of the inter-disciplinary Rajgir Archaeological Survey Project (RASP).
RASP is a collaborative project between the Bihar Heritage Development Society and Nalanda University in co-ordination with Bihar’s Ministry of Art, Culture and Youth. It is considered as the most comprehensive survey ever conducted in that region.
- Using this remote sensing technology, a grid-map of the entire Rajgir hills will be prepared for archaeological evidence, flora and fauna.
- The survey also incorporates new technologies such as GIS (geographic information system) mapping.
- Besides, the modern techniques of archaeological survey involving GPR (ground-penetrating radar).
- It will be used to locate numerous Buddhist monuments and antiquities which remain buried underground.
LIDAR is a remote-sensing technique that uses high-end scanning laser light to sample the surface of the earth.
What is significance of Rajgir hills?
Rajgir hills in Nalanda district of Bihar is an area associated with Buddha. It has complex of temples and monasteries. It is one of India’s most important tourist places for Buddhist pilgrims. The ancient city of Rajgir was the first capital of the Magadha empire. Buddha had spent many years in Rajgir and also delivered sermons here. His teachings were also penned at Rajgir. It was also the venue for the first Buddhist Council. The region is also associated with Jainism.
The world’s first daily driverless bus service has started in Lyon, France which will run in the city’s Confluence area.
The driverless bus service includes two electric shuttles that will transport passengers on a ten-minute route hosting five stops.
- The driverless buses can hold up to 15 passengers and are electric buses.
- It has features like LIDAR radar technology and motion sensors will help to avoid accidents.
- The LIDAR radar technology allows these buses to know exactly where they are and to detect everything happening around them.
- Using this technology these buses manage their movement intelligently to avoid collisions.
What is LIDAR?
- LIDAR is acronym of Light Detection And Ranging. Originally it was created as a portmanteau of “light” and “radar”.
- It is a surveying technology that measures distance by illuminating a target with a laser light.
- It is sometimes simply referred to as 3D scanning or laser scanning with terrestrial, airborne and mobile applications.
- It is popularly used to make high-resolution maps, with applications in geodesy, geomatics, archaeology, geography, geology, geomorphology, forestry, atmospheric physics etc.