The underground excavation industry is exploring mini robots, plasma torches, and superheated gas to replace the massive boring machines now in use.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.wired.co.uk/article/future-of-digging-tunnels
Swarms of Mini Robots Could Dig the Tunnels of the Future
www.wired.co.ukThe underground excavation industry is exploring mini robots, plasma torches, and superheated gas to replace the massive boring machines now in use.