A study shows that the shafts of abandoned mines could serve as energy-storing gravity batteries. Just because a mine has been exhausted of its ore, that doesn't necessarily mean it has no value.
Spread This NewsBy Staff Reporter A SOMBRE atmosphere has engulfed a gold mine in Chinhoyi after an employee working about ...
Even if a sinkhole isn't involved, people who wander into mines "can drown in flooded shafts, get lost in underground tunnels or perish from poisonous gases present in many old coal mines." ...
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