コンゴ民主共和国で、電気を帯びた石が発見されました。

Electrically charged stones discovered in the Democratic Republic of the Congo. pic.twitter.com/RB6N5U7Slq

— Africa Archives ™ (@Africa_Archives) January 21, 2023

pic.twitter.com/LbOvYComTJ

— Africa Archives ™ (@Africa_Archives) January 21, 2023

Google tells me this is coltan, which is mined in the Democratic Republic of Congo, if I'm not mistaken...

"What coltan mining in the DRC costs people and the environment" via @woleojewale @ConversationUS https://t.co/xyOuoxrqGR

— Nicola (@namenzie) January 22, 2023

※そしておそらく、米国か中国に奪われると予想.......