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A comment on Maya ritual cave ‘untouched’ for 1k years stuns archaeologists. Parent comment

Re:Maya ritual cave ‘untouched’ for 1k years stuns archaeolo... by Razengan on Wednesday March 06, 2019 @07:40PM (#19324571)
That is the actual question: Why aren't there spider-like (or some other suitable form) drones by now, for exploring enclosed environments with uneven terrain? Or are there?
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Re:Maya ritual cave ‘untouched’ for 1k years stuns archaeolo... by paulddraper on Wednesday March 06, 2019 @10:16PM (#19325281)
Nothing AFAIK. And that's not surprising to me; the locomotion requirements are very tough.

It has to be able to fit anywhere a small adult can fit. It has to be able to climb anything an adult can climb. There has to be a workable communication strategy (wirless, wired) through tunnels of solid rock. And it has to all that well enough not to need frequent retrieval.

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