You are viewing a single comment's thread from:RE: The Japanese discovered rare earth metals. "Sufficient for hundreds of years"View the full contexttechnologycorner (50)in #technology • 7 years ago See my prev post: https://steemit.com/technology/@technologycorner/a-mysterious-signal-from-the-depths-of-space-will-help-you-discover-the-secrets-of-dark-matter