In the rebel-controlled Congolese town of Rubaya, laborers produce 15% of the world's coltan ore, a mineral that is pivotal in the production of mobile phones, computers, aerospace components and gas turbines. https://www.japantimes.co.jp/news/2025/08/14/world/congo-cobalt-mine-tech-m23-rebels/?utm_medium=Social&utm_source=mastodon #worldnews #africa #congo #cobalt #tech #electricvehicles #batteries #mining #africa