Rare-earth minerals are difficult to mine in a cost-effective manner, but new resources found off the coast of Japan could change worldwide availability.
The post A Tremendous Supply of Rare Earth Metals Is Sitting in Japanese Waters appeared first on ExtremeTech.
sourse ExtremeTechExtremeTech https://ift.tt/2qwWDDQ
ليست هناك تعليقات:
إرسال تعليق