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Laser scanning is the controlled deflection of laser beams, visible or invisible. [1] Scanned laser beams are used in some 3-D printers, in rapid prototyping, in machines for material processing, in laser engraving machines, in ophthalmological laser systems for the treatment of presbyopia, in confocal microscopy, in laser printers, in laser shows, in Laser TV, and in barcode scanners.
The time-of-flight 3D laser scanner is an active scanner that uses laser light to probe the subject. At the heart of this type of scanner is a time-of-flight laser range finder. The laser range finder finds the distance of a surface by timing the round-trip time of a pulse of light.
Military applications of ground-penetrating radar include detection of unexploded ordnance and detecting tunnels. In military applications and other common GPR applications, practitioners often use GPR in conjunction with other available geophysical techniques such as electrical resistivity and electromagnetic induction methods.
When this tunnel was created, a natural central basalt column was left standing for the roundabout where the tunnel branches off toward Strendur and Rókin, located on either side of a fjord on ...
In transport, tunnels can be connected together to form a tunnel network.These can be used in mining to reach ore below ground, in cities for underground rapid transit systems, in sewer systems, in warfare to avoid enemy detection or attacks, as maintenance access routes beneath sites with high ground-traffic such as airports and amusement parks, or to extend public living areas or commercial ...
Mine plows use a specially designed shovel to unearth mines and shove them to the side, clearing a path. They are quick and effective for clearing a lane for vehicles and are still attached to some types of tank and remotely operated vehicles. The mines are moved but not deactivated, so mine plows are not used for humanitarian demining. [52]
Tunnel Construction. Tunnels are dug in types of materials varying from soft clay to hard rock. The method of tunnel construction depends on such factors as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logistics of supporting the tunnel excavation, the final use and shape of the tunnel and appropriate risk management.
Scanner Sombre is an exploration video game played from a first-person perspective. [1] [2] The player awakens in a tent inside a cave; after finding an augmented reality headset and a LIDAR scanner, the player can illuminate the surrounding environment using dots.